USD270625S - Unipolar chamber for ionization smoke detector - Google Patents
Unipolar chamber for ionization smoke detector Download PDFInfo
- Publication number
- USD270625S USD270625S US06/295,676 US29567681F USD270625S US D270625 S USD270625 S US D270625S US 29567681 F US29567681 F US 29567681F US D270625 S USD270625 S US D270625S
- Authority
- US
- United States
- Prior art keywords
- smoke detector
- ionization smoke
- unipolar
- chamber
- unipolar chamber
- 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 - Lifetime
Links
Images
Description
FIG. 1 is a top plan view of a unipolar chamber for ionization smoke detector showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is an elevational view thereof as seen from the right of FIG. 2;
FIG. 4 is an elevational view thereof as seen from the left of FIG. 2;
FIG. 5 is an elevational view thereof as seen from the side opposite that shown in FIG. 2.
The broken lines are shown for illustrative purposes only.
Claims (1)
- The ornamental design for a unipolar chamber for ionization smoke detector, as shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/295,676 USD270625S (en) | 1981-08-24 | 1981-08-24 | Unipolar chamber for ionization smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/295,676 USD270625S (en) | 1981-08-24 | 1981-08-24 | Unipolar chamber for ionization smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD270625S true USD270625S (en) | 1983-09-20 |
Family
ID=64100265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US06/295,676 Expired - Lifetime USD270625S (en) | 1981-08-24 | 1981-08-24 | Unipolar chamber for ionization smoke detector |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD270625S (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD274506S (en) | 1982-02-10 | 1984-07-03 | Pittway Corporation | Unipolar chamber for an ionization smoke detector |
| USD277558S (en) | 1983-01-24 | 1985-02-12 | Isotec Industries Limited | Smoke detecting photoelectric sensing chamber |
| USD284272S (en) | 1984-08-09 | 1986-06-17 | Laurence Chen | Ionization chamber for a smoke detector |
| USD297318S (en) | 1986-08-06 | 1988-08-23 | Dicon Systems Limited | Smoke detector chamber |
| USD959996S1 (en) * | 2019-12-06 | 2022-08-09 | Shenzhen Green Giant Energy Technology Development Co., Ltd. | Time manager |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280052A (en) | 1978-11-09 | 1981-07-21 | Solomon Elias E | Multiple chamber ionization detector |
| USD260378S (en) | 1978-11-02 | 1981-08-25 | Isotec Industries Limited | Ionization chamber for an electronic smoke detector |
-
1981
- 1981-08-24 US US06/295,676 patent/USD270625S/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD260378S (en) | 1978-11-02 | 1981-08-25 | Isotec Industries Limited | Ionization chamber for an electronic smoke detector |
| US4280052A (en) | 1978-11-09 | 1981-07-21 | Solomon Elias E | Multiple chamber ionization detector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD274506S (en) | 1982-02-10 | 1984-07-03 | Pittway Corporation | Unipolar chamber for an ionization smoke detector |
| USD277558S (en) | 1983-01-24 | 1985-02-12 | Isotec Industries Limited | Smoke detecting photoelectric sensing chamber |
| USD284272S (en) | 1984-08-09 | 1986-06-17 | Laurence Chen | Ionization chamber for a smoke detector |
| USD297318S (en) | 1986-08-06 | 1988-08-23 | Dicon Systems Limited | Smoke detector chamber |
| USD959996S1 (en) * | 2019-12-06 | 2022-08-09 | Shenzhen Green Giant Energy Technology Development Co., Ltd. | Time manager |
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