USD347465S - Backflow prevention valve - Google Patents
Backflow prevention valve Download PDFInfo
- Publication number
- USD347465S USD347465S US29/012,221 US1222193F USD347465S US D347465 S USD347465 S US D347465S US 1222193 F US1222193 F US 1222193F US D347465 S USD347465 S US D347465S
- Authority
- US
- United States
- Prior art keywords
- backflow prevention
- prevention valve
- valve
- backflow
- ornamental design
- 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
- 230000002265 prevention Effects 0.000 title claims description 7
Images
Description
FIG. 1 shows a top plan view of a backflow prevention valve;
FIG. 2 shows a side view of a backflow prevention valve;
FIG. 3 shows a bottom plan view of a backflow prevention valve;
FIG. 4 shows a bottom perspective view of a backflow prevention valve; and,
FIG. 5 shows a top perspective view of a backflow prevention valve.
Claims (1)
- The ornamental design for a backflow prevention valve, as shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/012,221 USD347465S (en) | 1993-08-26 | 1993-08-26 | Backflow prevention valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/012,221 USD347465S (en) | 1993-08-26 | 1993-08-26 | Backflow prevention valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD347465S true USD347465S (en) | 1994-05-31 |
Family
ID=70917794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29/012,221 Expired - Lifetime USD347465S (en) | 1993-08-26 | 1993-08-26 | Backflow prevention valve |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD347465S (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD398955S (en) | 1995-09-27 | 1998-09-29 | Tatsuo Shimizu | Pressure valve |
| USD409287S (en) * | 1996-05-13 | 1999-05-04 | Albert Frederick Hansen | Valve |
| USD518830S1 (en) * | 2003-10-20 | 2006-04-11 | Elesa S.P.A. | Pressure filler breather cap with key |
| USD903062S1 (en) * | 2019-01-07 | 2020-11-24 | EKWB d.o.o. | Fitting |
| USD903061S1 (en) * | 2019-01-07 | 2020-11-24 | EKWB d.o.o. | Fitting |
| USD903831S1 (en) * | 2019-01-07 | 2020-12-01 | EKWB d.o.o. | Fitting |
| USD903832S1 (en) * | 2019-01-07 | 2020-12-01 | EKWB d.o.o. | Fitting |
| USD920171S1 (en) * | 2018-12-27 | 2021-05-25 | Bib Creative Co., Ltd. | Bicycle valve adaptor |
| USD921157S1 (en) * | 2019-03-09 | 2021-06-01 | Noah Moffett, III | Dishwasher back flow check valve |
| USD1106387S1 (en) * | 2024-02-29 | 2025-12-16 | Costex Corporation | Fuel filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2685300A (en) | 1948-12-09 | 1954-08-03 | Nat Welding Equipment Co | Valve control |
| US3308798A (en) | 1965-05-05 | 1967-03-14 | Kenneth M Snider | Metering valve for crankcase ventilation systems |
| US3561472A (en) | 1968-05-29 | 1971-02-09 | Parker Hannifin Corp | Check valve with restricted backflow |
| USD242709S (en) | 1975-09-08 | 1976-12-14 | Schourup Ralph W | Adjustable pressure relief valve |
| US4870992A (en) | 1986-12-05 | 1989-10-03 | Augerscope, Inc. | Backflow prevention device |
-
1993
- 1993-08-26 US US29/012,221 patent/USD347465S/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2685300A (en) | 1948-12-09 | 1954-08-03 | Nat Welding Equipment Co | Valve control |
| US3308798A (en) | 1965-05-05 | 1967-03-14 | Kenneth M Snider | Metering valve for crankcase ventilation systems |
| US3561472A (en) | 1968-05-29 | 1971-02-09 | Parker Hannifin Corp | Check valve with restricted backflow |
| USD242709S (en) | 1975-09-08 | 1976-12-14 | Schourup Ralph W | Adjustable pressure relief valve |
| US4870992A (en) | 1986-12-05 | 1989-10-03 | Augerscope, Inc. | Backflow prevention device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD398955S (en) | 1995-09-27 | 1998-09-29 | Tatsuo Shimizu | Pressure valve |
| USD409287S (en) * | 1996-05-13 | 1999-05-04 | Albert Frederick Hansen | Valve |
| USD518830S1 (en) * | 2003-10-20 | 2006-04-11 | Elesa S.P.A. | Pressure filler breather cap with key |
| USD920171S1 (en) * | 2018-12-27 | 2021-05-25 | Bib Creative Co., Ltd. | Bicycle valve adaptor |
| USD903062S1 (en) * | 2019-01-07 | 2020-11-24 | EKWB d.o.o. | Fitting |
| USD903061S1 (en) * | 2019-01-07 | 2020-11-24 | EKWB d.o.o. | Fitting |
| USD903831S1 (en) * | 2019-01-07 | 2020-12-01 | EKWB d.o.o. | Fitting |
| USD903832S1 (en) * | 2019-01-07 | 2020-12-01 | EKWB d.o.o. | Fitting |
| USD921157S1 (en) * | 2019-03-09 | 2021-06-01 | Noah Moffett, III | Dishwasher back flow check valve |
| USD1106387S1 (en) * | 2024-02-29 | 2025-12-16 | Costex Corporation | Fuel filter |
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