US2877969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft braking mechanism
Assignee: Individual
•
Filing: 1954-01-26
•
Granted: 1959-03-17
•
Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 George D Dowty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:39
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR670589A
Cited
US1812806A
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US1891188A
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US2106934A
Cited
US2390127A
Cited
US2437108A
Cited
FR979113A
Cited
US2793827A
Cited
US2661203A
Cited
US2687191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |