US3385316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap acting water valve
Assignee: Dole Valve Co
•
Filing: 1965-06-22
•
Granted: 1968-05-28
•
Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert W Couffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:28
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; G; G05; G05D; G05D9/00; G05D9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374; Y10T137/7439; Y10T137/7442; Y10T137/7494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1312678A
Cited
GB190312336A
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US1676084A
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US1839144A
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US2228552A
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US2675024A
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US2738947A
Cited
US2752936A
Cited
US3158173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |