US2591839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable landing gear for aircraft
Assignee: Societe dInventions Aeronautiques et Mechaniques SIAM SA
•
Filing: 1946-05-27
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Granted: 1952-04-08
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Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Levy Rene Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:26
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1847688A
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US2130618A
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US2253112A
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US2290479A
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US2249850A
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US2294467A
Cited
US2278910A
Cited
US2343495A
Cited
US2412053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |