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US2647708A
Expired / Lapsed
US
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Control for the landing gear of aircraft
Assignee: HAVERLIN AVIAT PRODUCTS Inc
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Filing: 1950-09-14
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Granted: 1953-08-04
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Expires: 1970-09-14
Abstract
No abstract record available.
Inventors
- 👤 Jack F Haverlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:25
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1401887A
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US1633521A
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US1829837A
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US1897285A
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US2058553A
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US2112253A
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US2315185A
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US2401097A
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US2418508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |