US2644654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Landing gear for aircraft
Assignee: GEORGE H COREY
•
Filing: 1946-06-01
•
Granted: 1953-07-07
•
Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 Mercier Pierre Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:29
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/50; B64C25/505; F; F16; F16D; F16D55/00; F16D55/02; F16D55/04; F16D55/06; F16D55/24; F16D55/26; F16D55/36; F16D55/40; F16D2055/0004; F16D2055/0058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1438051A
Cited
GB221907A
Cited
US2213383A
Cited
US2263805A
Cited
US2291571A
Cited
US2199966A
Cited
US2243569A
Cited
GB535038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |