US2795931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerodynamic valve arrangement
Assignee: Safran Aircraft Engines SAS
•
Filing: 1951-06-05
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Granted: 1957-06-18
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Expires: 1971-06-05
Abstract
No abstract record available.
Inventors
- 👤 Foll Jean Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:06
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/02; F02K7/06; F02K7/067; Y; Y10; Y10S; Y10S261/00; Y10S261/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2414828A
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US2525782A
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US2609660A
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US2574460A
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US2587100A
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US2599209A
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US2612749A
Cited
US2618925A
Cited
US2543758A
Cited
US2612722A
Cited
US2563305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |