US2965132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic control valve
Assignee: Dole Valve Co
•
Filing: 1958-08-08
•
Granted: 1960-12-20
•
Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert W Couffer
- 👤 Wesley L Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:08
CPC Classifications
D; D06; D06F; D06F33/00; D06F33/04; D06F33/10; F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/40; F16K31/402; F16K31/404; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1204759A
Cited
US2301916A
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US2641279A
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US2771907A
Cited
US2667180A
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US2803266A
Cited
US2867236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |