US3022039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm for valve
Assignee: Gates Rubber Co
•
Filing: 1958-12-22
•
Granted: 1962-02-20
•
Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Irwin C Cone
- 👤 Iii George H Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:02
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/40; F16K31/402
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1004650A
Cited
US2433507A
Cited
US2623542A
Cited
US2638929A
Cited
US2844352A
Cited
US2918087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |