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Patent US2595309A successfully refreshed from Google Patents.
US2595309A
Expired / Lapsed
US
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Flight control apparatus for aircraft
Assignee: Unisys Corp
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Filing: 1946-06-26
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Granted: 1952-05-06
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Expires: 1966-06-26
Abstract
No abstract record available.
Inventors
- 👤 John M Slater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:17
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/042; G05D1/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1801948A
Cited
US1992970A
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DE619055C
Cited
US2125361A
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US2293886A
Cited
US2340041A
Cited
US2405015A
Cited
US2386777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |