US3419041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump valve
Assignee: Pan American Petroleum Corp
•
Filing: 1965-08-23
•
Granted: 1968-12-31
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Earl R Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/102; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442209A
Cited
US2083584A
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US2272351A
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US2590244A
Cited
US2962039A
Cited
US2985424A
Cited
US2930401A
Cited
US3188302A
Cited
US3059667A
Cited
US3297298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |