US2797706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control valves
Assignee: TEDDINGTON AIRCRAFT COUTROLS L
•
Filing: 1952-03-01
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Granted: 1957-07-02
•
Expires: 1972-03-01
Abstract
No abstract record available.
Inventors
- 👤 Harrison Walter Mostyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/0209; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1010274A
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US1172833A
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US1192141A
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US1567537A
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US1854918A
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FR722410A
Cited
US2503563A
Cited
US2465458A
Cited
US2601231A
Cited
US2641871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |