US2627249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure operated positioning apparatus for motor valves
Assignee: M & J Engineering Co
•
Filing: 1947-05-31
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Granted: 1953-02-03
•
Expires: 1967-05-31
Abstract
No abstract record available.
Inventors
- 👤 Austin U Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:30
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US357345A
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US2372345A
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US1992048A
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US2099368A
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US2303752A
Cited
US2320508A
Cited
US2333184A
Cited
US2382941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |