GB1569967A - Electric batteries and containers therefor - Google Patents
Electric batteries and containers therefor Download PDFInfo
- Publication number
- GB1569967A GB1569967A GB44935/75A GB4493575A GB1569967A GB 1569967 A GB1569967 A GB 1569967A GB 44935/75 A GB44935/75 A GB 44935/75A GB 4493575 A GB4493575 A GB 4493575A GB 1569967 A GB1569967 A GB 1569967A
- Authority
- GB
- United Kingdom
- Prior art keywords
- battery
- fitment
- terminals
- box
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002585 base Substances 0.000 claims description 39
- 239000003792 electrolyte Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000002990 reinforced plastic Substances 0.000 claims description 2
- 239000005060 rubber Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 4
- 230000009172 bursting Effects 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
(54) IMPROVEMENTS IN OR RELATING TO
ELECTRIC BATTERIES AND CONTAINERS
THEREFOR.
(71) I, JEREMY JIM JACKSON, a British subject, of Hall End Farm, Lower Road, Stoke
Mandeville, Aylesbury, Bucks, do hereby declare the invention, for which I pray that a patent may be granted to me and the method by which it is to be performed, to be particularly described in and by the following statement:
This invention relates to electric batteries and particularly to containers for electric batteries.
The containers with which the invention is particularly concerned may be the battery case, which contains the battery plates and electrolyte, or it may be an outer container which receivers a battery already in its case.
Customarily, rechargeable electric batteries comprise a number of cells, serially connected together in a single case and are provided with a pair of terminals. In use, or during recharging.
the battery is stood in position and the terminals are connected by flying leads to the external load circuit or recharging circuit, as required.
According to the invention there is provided the combination of a battery and fitment therefor, the fitment being adapted for permanent fixing to a support and comprising a base to support the battery box, upstanding portions to engage the box when placed on the base to assist location of the box on the base and terminals remote from the upstanding portions, the battery box being dimensioned to receive an electric battery and comprising terminals adapted for connecting with the terminals of the fitment when the box is supported on the base of the fitment, the battery box being removable from the fitment by lifting it evenly away from the base without tilting the box relative to the fitment.
One installation contemplated by the present invention comprises a battery and two associated fitments as described above, the one having its second terminals permanently associated with a load circuit and the second having its terminals permanently associated with a recharging circuit, whereby the battery box is fitted into the said one fitment, for use, and into the second fitment, for recharging.
In a particular such installation, the second fitment serves also as housing for the battery charger components, so that the sole external electrical connections from this fitment are to a mains electrical suppy.
In other installations, the first fitment forms a part of a larger structure, such as a boat floor, vehicle cab and so forth.
In order that the invention may be readily carried into practice, one embodiment will now be described in detail, by way of example, with reference to the accompanying drawings, in which:
Figure 1 is a perspective view of a battery box, in accordance with the invention, including a removable cover and a base fitment, the three parts being shown separated from one another;
Figure 2 is a perspective view of the battery box cover of Figure 1;
Figure 3 is a perspective view of the battery box of Figure 1, seen from a position below and to the rear;
Figure 4 is a perspective view of the battery box base fitment of Figure 1;
Figure 5 is a view of the battery box of
Figure 1, similar to the view of Figure 3 but showing the rear wall broken away; and
Figure 6 is a view of the base of Figure 1, similar to the view of Figure 4 but showing the rear portion broken away.
The same elements are indicated by the same reference numerals in the several figures of the drawings.
In Figure 1 there is shown a battery box 1 with a fitting cover 2 and a base 3 dimensioned to receive the battery box 1.
All three components, in this example, are of glass fibre reinforced plastics construction.
The components might alternatively be of moulded plastics construction or otherwise fabricated from durable, acid and alkali resistant, insulting material.
The battery box 1 comprises a rectangular container 4 dimensioned to receive, in this example, a standard 12 volt lead-acid rechargeable battery, having an upper surround 5 and a lower rear depression 6. Two downward extensions 7 and 8 of the rear wall of the battery box 1 are provided in the region of the rear depression 6.
The battery box cover 2 is provided with raised rectangular portions 9 and 10, one at each end of the cover, and is provided with a skirt 11 which fits over the surround 5 of the battery box 1.
The base fitment 3 has a well 12, dimensioned to receive the base of the battery box 1, side walls 13 and a rear wall 14. The rear wall 14 is shaped with depressions 15 and 16 dimensioned to receive the downward extensions 7 and 8, respectively, of the rear of the battery box 1.
Referring now to the view of Figure 3,.it will be seen that a pair of external terminals 17 and 18 are moulded into the rear wall of the battery box 1, in the positions of the downward extensions 7 and 8, respectively. These terminals 17 and 18 are female mating terminals (i.e. sockets) positioned to engage conductively with a corresponding pair of male terminals 19 and 20 respectively (i.e. pin terminals), in the base 3, when the battery box 1 is stood in the wall 12 of the base 3.
Referring next to the view of Figure 5, it will be seen that the external terminals 17 and 18 comprise hollow terminal members, of which one is shown at 21, securely embedded at 22 in the thicker wall of the battery box 1 which is provided by the extension 7. The top of the terminal member 21 is threaded at 23 and carries an hexagonal nut 24. The terminal 18 similarly has a threaded upper end 25 which carries a nut 26.
The nut 24 secures a lug 27 at one end of a flying lead 28 having a conventional split socket 29 for securing to the positive terminal post of the battery when the battery is contained in the battery box 1. The nut 26 similarly secures the lug end of a second flying lead 30 for connecting to the negative terminal post of the battery.
Referring now to the perspective view of
Figure 4 and the bfoken-away view of Figure 6 of the base fitment 3, it will be seen that the floor 12' of the base well 12 is pierced at 31 and a rear flange part 32 of the base 3 is pierced at 33 to receive fixing screws 34 for fixing the base 3 on a support in the required position in relation to the load circuit or the recharging circuit, as the case might be.
As shown particularly in the view of Figure 6, the male terminals 19 and 20 are of the form of split plugs comprising the top ends of terminal members 35 which are securely embedded in the base 3 in the depressions 15 and 16 (Figure 1), respectively. The bottom ends of the terminal members 35 are threaded at 36 and carry hexagonal nuts 37. The nuts 37 of terminals 19 and 20 secure lugs 38 at the ends of leads 39 and 40, respectively, which are connected to the load circuit or to the recharging circuit with which the battery is associat9.
Thus, in the use of the battery box of the invention, a standard rechargeable battery of appropriate size is placed in the battery box 1.
The flying leads 28 and 30 are connected respectively to the positive and negative terminals of the battery, which battery terminals are then elctrically connected to the external terminals 17 and 18, respectively.
By mere placing of the loaded battery box 1 in its base 3, the terminal pairs 17, 19 and 18, 20 respectively engage electrically. It will be noted that the box 1 can be placed on and lifted from the base 3 evenly without relative tilting. It will be noted, from Figure 4, that the polarity sign of terminal 19 is moulded into the base 3 at 41. The positive pole of the battery is thereby connected to lead 39 and the negative pole to lead 40.
The cover 2 may be made a sliding fit on the battery box 1 or may be secured by convenient fixing means, not shown.
The battery may be removed from the battery box 1 for recharging but, more conveniently, is left permanently in the battery box and may be secured therein by adhesive or foam packing.
In one particular convenient installation, the battery remains permanently in the battery box 1 and two bases 3 are used. The one base 3 has its leads 39 and 40 connected to the load circuit. The other base 3 has its leads 39 and 40 connected to the recharging circuit. The loaded battery box 1 is merely lifted from the one base 3 and fitted into the other, according to whether the battery is on-load or oncharge.
The cover 2 is vented to permit of the escape of gas generated in the battery electrolyte, particularly during charging.
Bursting of battery cases is a well-known hazard, when batteries are undergoing recharge or are being disconnected from the charging circuit. The battery box 1 is constructed to withstand, or at least to mitigate, such bursting and thereby offers security as well as convenience to the user.
The construction of the battery box and cover facilitates swabbing down to remove spilled acid, or alkali in the case of alkaline electrolyte batteries. The base 3 can be readily swabbed or flushed and the front wall 13',
Figure 4, is cut away to facilitate drainage and cleaning of the base. It will be particularly noted that, by the construction both of the battery box 1 and the base 3, spilled electrolyte is kept away from all the terminals.
The battery box of the embodiment described has external terminals engaged from below by mating terminals provided in a base, and this is the preferred arrangement. However, in alternative arrangements the battery box has external terminals differently arranged and adapted to engage terminals in a cover fitment, in one embodiment, or with terminals in an end fitment, in another embodiment.
The present invention, in so far as it relates generally to containers for electric batteries, provides not merely an external case for housing a standard battery, as is described in the specific embodiment above. The invention may be applied to the construction of the battery itself, in order to provide external mating terminal connections on the battery case, instead of the customary terminal posts on top of the battery.
Thus, the battery cells may be housed in an inner case, for example of rubber compound, surrounded by an outer case, for example, of reinforced plastics material, which both houses the battery connecting leads and the bodies of external mating terminals.
Alternatively, a single-wall case may be in ejection moulded of plastics material to provide hollow compartments for the battery cells, the connecting leads and terminal bodies being embedded in the case wall in the process of moulding.
In one arrangement, the fitment for the use of the battery, end fitment or base as desired, forms a part of a larger structure such as the floor or well of a boat or the cab or chassis of a motor vehicle or part of the structure of other battery-using apparatus so that, when the battery is fitted into its fitment for use, it is thereby attached to the structure of the boat, vehicle or other apparatus.
In other arrangements, the recharging fitment is hollow and itself houses the electrical components of a battery charger. The sole external connections from the recharging fitment are then taken to a mains suppy. The recharging fitment may be a base upon which the battery box can be placed, a fitment into which the battery box can be slid, or even a compact charging unit which may be secured onto the battery box. In any of these arrangements a control switch for the charger may be provided which is closed to energise the charging circuit when the battery is placed into or upon the charging fitment.
In yet other arrangements, the respective terminals of the battery case and charging or utilisation fitment do not mate when the battery is placed onto or into the fitment but are thereby aligned for connection by a conductive bolt passing through respective terminal pairs. Thus, the terminals may be of apertured ring or lug shape and connected together by a conductive bolt passing through the apertures of the two rings or lugs of a terminal pair the terminal pairs being also connected to each other by abutment together, or not. In such arrangement the connecting links, bolts or whatever serve also as retaining members to secure the battery and fitment together, besides acting with one apertured terminal as a pin co-operating with the other apertured terminal acting as a socket.
In an example of a battery with a single case, the case is single-walled and moulded in shape to receive the battery plates and electrolyte. The usual post terminals are omitted from the battery top. Instead, terminals are moulded in the battery case similarly as shown in Figure 3. The battery then fits directly onto the fitment of Figure 4, in the manner shown in Figure 1.
WHAT I CLAIM IS:
1. The combination of a battery and fitment therefor, the fitment being adapted for permanent fixing to a support and comprising a base to support the battery bqx, upstanding portions to engage the box when placed on the base to assist location of the box on the base and terminals remote from the upstanding portions, the battery box being dimensioned to receive an electric battery and comprising terminals adapted for connection with the terminals of the fitment when the box is supported on the base of the fitment, the battery box being removable from the fitment by lifting it evenly away from the base without tilting the box relative to the fitment.
2. The combination as claimed in Claim 1 including a battery located in the battery box, and means to connect the terminals of the battery with the terminals of the battery box.
3. The combination as claimed in Claim 1 wherein the battery box includes a battery whose cells are permanently connected to the terminals of the battery box.
4. The combination as claimed in any one of the preceding claims wherein the terminals of the battery box and the fitment are arranged when connected together to secure the battery box to the fitment.
5. The combination as claimed in any one of Claims 1 to 3 wherein said terminals of the battery box and the fitment are pin and socket terminals.
6. The combination as claimed in any one of the preceding claims comprising two associated fitments, the one having its terminals permanently associated with a load circuit and the second having its terminals permanently associated with a recharging circuit.
7. The combination as claimed in Claim 6 wherein the second fitment serves also to house battery charger components.
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (12)
1. The combination of a battery and fitment therefor, the fitment being adapted for permanent fixing to a support and comprising a base to support the battery bqx, upstanding portions to engage the box when placed on the base to assist location of the box on the base and terminals remote from the upstanding portions, the battery box being dimensioned to receive an electric battery and comprising terminals adapted for connection with the terminals of the fitment when the box is supported on the base of the fitment, the battery box being removable from the fitment by lifting it evenly away from the base without tilting the box relative to the fitment.
2. The combination as claimed in Claim 1 including a battery located in the battery box, and means to connect the terminals of the battery with the terminals of the battery box.
3. The combination as claimed in Claim 1 wherein the battery box includes a battery whose cells are permanently connected to the terminals of the battery box.
4. The combination as claimed in any one of the preceding claims wherein the terminals of the battery box and the fitment are arranged when connected together to secure the battery box to the fitment.
5. The combination as claimed in any one of Claims 1 to 3 wherein said terminals of the battery box and the fitment are pin and socket terminals.
6. The combination as claimed in any one of the preceding claims comprising two associated fitments, the one having its terminals permanently associated with a load circuit and the second having its terminals permanently associated with a recharging circuit.
7. The combination as claimed in Claim 6 wherein the second fitment serves also to house battery charger components.
8. The combination as claimed in Claim 6
or Claim 7 wherein the second fitment includes switch means for energising the charging circuit when the battery box is fitted therein.
9. The combination as claimed in any one of the preceding claims wherein the first fitment is integral with the support which forms part of a vehicle or craft which takes an electrical supply from said pin and socket terminals.
10. The combination as claimed in any one of the preceding claims wherein the terminals of the battery box are arranged above the level of its base.
11. The combination as claimed in any one of the preceding claims wherein the battery box is provided with a removable cover.
12. The combination of a battery box and fitment therefor substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB44935/75A GB1569967A (en) | 1977-01-27 | 1977-01-27 | Electric batteries and containers therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB44935/75A GB1569967A (en) | 1977-01-27 | 1977-01-27 | Electric batteries and containers therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1569967A true GB1569967A (en) | 1980-06-25 |
Family
ID=10435290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB44935/75A Expired GB1569967A (en) | 1977-01-27 | 1977-01-27 | Electric batteries and containers therefor |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1569967A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2511811A1 (en) * | 1981-08-20 | 1983-02-25 | Honda Motor Co Ltd | BATTERY OF ACCUMULATORS FOR MOTORCYCLES |
| GB2142292A (en) * | 1983-06-29 | 1985-01-16 | Chloride Group Plc | Retaining device for electric storage batteries e.g. for vehicles |
| US4846295A (en) * | 1988-04-11 | 1989-07-11 | Amigo Sales, Inc. | Steerable motorized three-wheeled vehicles for use by the handicapped and others desiring assistance |
| WO1997025749A1 (en) * | 1996-01-12 | 1997-07-17 | Francis Hue | Battery with a built-in power distribution system |
| WO1999036974A1 (en) * | 1998-01-19 | 1999-07-22 | Johnson Controls Technology Company | Snap-fit battery and holder |
| EP1547852A3 (en) * | 2003-10-08 | 2006-08-23 | Pride Mobility Products, Corporation | Power supply assembly for electric vehicle |
| CN101989667A (en) * | 2009-07-30 | 2011-03-23 | 三洋电机株式会社 | Battery pack loaded and unloaded relatove to electric vehicle tool and electric vehicle tool with the same |
| FR2957318A1 (en) * | 2010-03-15 | 2011-09-16 | Andre Luc | System for recharging and replacing oblige power batteries utilized to supply electric power to engine of car, has base plate firmly fixed at vehicle, and electric battery moving to position on base plate and spacers connection |
| US20130057212A1 (en) * | 2011-09-07 | 2013-03-07 | Johnson Controls Technology Company | Battery charging devices and systems |
| US20130216885A1 (en) * | 2012-02-20 | 2013-08-22 | Honda Motor Co., Ltd. | Power supply device for electric vehicle |
| USD786741S1 (en) | 2015-11-16 | 2017-05-16 | Amigo Mobility International, Inc. | Lateral stability wheel |
| USD800410S1 (en) | 2015-11-23 | 2017-10-17 | Amigo Mobility International, Inc. | Material handling cart |
| USD805004S1 (en) | 2015-07-01 | 2017-12-12 | Amigo Mobility International, Inc. | Brake release handle |
-
1977
- 1977-01-27 GB GB44935/75A patent/GB1569967A/en not_active Expired
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2511811A1 (en) * | 1981-08-20 | 1983-02-25 | Honda Motor Co Ltd | BATTERY OF ACCUMULATORS FOR MOTORCYCLES |
| GB2142292A (en) * | 1983-06-29 | 1985-01-16 | Chloride Group Plc | Retaining device for electric storage batteries e.g. for vehicles |
| US4846295A (en) * | 1988-04-11 | 1989-07-11 | Amigo Sales, Inc. | Steerable motorized three-wheeled vehicles for use by the handicapped and others desiring assistance |
| WO1997025749A1 (en) * | 1996-01-12 | 1997-07-17 | Francis Hue | Battery with a built-in power distribution system |
| FR2743668A1 (en) * | 1996-01-12 | 1997-07-18 | Hue Francis | BATTERY WITH INTEGRATED ELECTRICAL DISTRIBUTION |
| WO1999036974A1 (en) * | 1998-01-19 | 1999-07-22 | Johnson Controls Technology Company | Snap-fit battery and holder |
| US6399239B2 (en) | 1998-01-19 | 2002-06-04 | Johnson Controls Technology Company | Battery system |
| EP1547852A3 (en) * | 2003-10-08 | 2006-08-23 | Pride Mobility Products, Corporation | Power supply assembly for electric vehicle |
| US7431109B2 (en) | 2003-10-08 | 2008-10-07 | Pride Mobility Products Corporation | Power supply assembly for motorized vehicles |
| EP2280436A3 (en) * | 2009-07-30 | 2011-04-27 | Sanyo Electric Co., Ltd. | Removable electric vehicle battery pack and electric vehicle equipped with that battery pack |
| CN101989667A (en) * | 2009-07-30 | 2011-03-23 | 三洋电机株式会社 | Battery pack loaded and unloaded relatove to electric vehicle tool and electric vehicle tool with the same |
| CN101989667B (en) * | 2009-07-30 | 2014-08-20 | 铃木汽车株式会社 | Battery pack loaded and unloaded relatove to electric vehicle tool and electric vehicle tool with the same |
| FR2957318A1 (en) * | 2010-03-15 | 2011-09-16 | Andre Luc | System for recharging and replacing oblige power batteries utilized to supply electric power to engine of car, has base plate firmly fixed at vehicle, and electric battery moving to position on base plate and spacers connection |
| US20130057212A1 (en) * | 2011-09-07 | 2013-03-07 | Johnson Controls Technology Company | Battery charging devices and systems |
| WO2013036714A3 (en) * | 2011-09-07 | 2013-07-18 | Johnson Controls Technology Company | Battery charging devices and systems |
| US9991730B2 (en) * | 2011-09-07 | 2018-06-05 | Johnson Controls Technology Company | Battery charging devices and systems |
| US11557904B2 (en) | 2011-09-07 | 2023-01-17 | Cps Technology Holdings Llc | Battery charging devices and systems |
| US20130216885A1 (en) * | 2012-02-20 | 2013-08-22 | Honda Motor Co., Ltd. | Power supply device for electric vehicle |
| US9136514B2 (en) * | 2012-02-20 | 2015-09-15 | Honda Motor Co., Ltd. | Power supply device for electric vehicle |
| USD805004S1 (en) | 2015-07-01 | 2017-12-12 | Amigo Mobility International, Inc. | Brake release handle |
| USD786741S1 (en) | 2015-11-16 | 2017-05-16 | Amigo Mobility International, Inc. | Lateral stability wheel |
| USD800410S1 (en) | 2015-11-23 | 2017-10-17 | Amigo Mobility International, Inc. | Material handling cart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |