Patent US2945652A successfully refreshed from Google Patents.
US2945652A
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Landing gear control incorporating safeguards against erroneous operation
Assignee: California Plasteck Inc
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Filing: 1955-11-22
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Granted: 1960-07-19
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Expires: 1975-11-22
Abstract
No abstract record available.
Inventors
- 👤 James N Dupree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:24
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1694220A
Cited
US2101611A
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GB539128A
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GB547282A
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US2406524A
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US2417691A
Cited
FR991748A
Cited
US2473792A
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US2446700A
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US2454485A
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US2755041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |