US2924200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft flight control apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1953-03-04
•
Granted: 1960-02-09
•
Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Clinton R Hanna
- 👤 Kirk A Oplinger
- 👤 Lawrence B Lynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:01
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B13/0405; B; B64; B64C; B64C13/00; B64C13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1853613A
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US1855349A
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US2208421A
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US2272725A
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US2398421A
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US2336887A
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US2485094A
Cited
US2630828A
Cited
US2655132A
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US2600348A
Cited
US2741478A
Cited
US2700986A
Cited
US2678177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |