US2909852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stick force system for aircraft trainers
Assignee: Curtiss Wright Corp
•
Filing: 1954-06-14
•
Granted: 1959-10-27
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Robert G Stern
- 👤 Albert J Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:38
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2350351A
Cited
US2519233A
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US2514606A
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US2687580A
Cited
US2627675A
Cited
US2695145A
Cited
US2808659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |