US3001536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil tank safety valve
Assignee: Individual
•
Filing: 1959-07-23
•
Granted: 1961-09-26
•
Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 John W Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:41
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/40; F16K17/403; F16L; F16L2101/00; F16L2101/30; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1759; Y10T137/1767; Y10T137/1797
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US480264A
Cited
US710091A
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US1633923A
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US2079164A
Cited
US2304417A
Cited
US2508987A
Cited
US2667760A
Cited
US2697538A
Cited
DE837054C
Cited
US2863469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |