US2766853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic braking apparatus for aircraft
Assignee: Dunlop Rubber Co Ltd
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Filing: 1954-05-25
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Granted: 1956-10-16
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Expires: 1974-05-25
Abstract
No abstract record available.
Inventors
- 👤 Trevaskis Henry William
- 👤 Mortimer Frank Radcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:20
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44; B64C25/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |