US2533702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot operated control system for aircraft
Assignee: Individual
•
Filing: 1945-08-14
•
Granted: 1950-12-12
•
Expires: 1965-08-14
Abstract
No abstract record available.
Inventors
- 👤 Chalmers L Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:50
CPC Classifications
B; B64; B64D; B64D27/00; B64D27/02; B64D27/023; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20372; Y10T74/20384; Y10T74/20546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1061917A
Cited
US1085575A
Cited
US1332743A
Cited
US1600079A
Cited
US1561961A
Cited
US1914448A
Cited
US2074360A
Cited
US2363732A
Cited
US2360116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |