US2501726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flap and dive brake operating mechanism
Assignee: Kaiser Metal Products Inc
•
Filing: 1945-11-01
•
Granted: 1950-03-28
•
Expires: 1965-11-01
Abstract
No abstract record available.
Inventors
- 👤 Knox Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:45
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/32; B64C9/323; B64C13/00; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR748398A
Cited
GB402645A
Cited
US2137382A
Cited
US2279615A
Cited
US2240892A
Cited
US2387492A
Cited
US2373137A
Cited
US2369152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |