US2479619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control surface for aircraft, including full span flaps and spoilers
Assignee: Fairey Aviation Co Ltd
•
Filing: 1943-06-04
•
Granted: 1949-08-23
•
Expires: 1963-06-04
Abstract
No abstract record available.
Inventors
- 👤 Hilton Louis Massey
- 👤 Chaplin Herbert Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:34
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/14; B64C9/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1723653A
Cited
US1862902A
Cited
US2066336A
Cited
US2252656A
Cited
US2220194A
Cited
GB517895A
Cited
GB521190A
Cited
US2329177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |