US2636699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pilot for aircraft
Assignee: Unisys Corp
•
Filing: 1946-09-14
•
Granted: 1953-04-28
•
Expires: 1966-09-14
Abstract
No abstract record available.
Inventors
- 👤 George F Jude
- 👤 John C Newton
- 👤 Richard S Brannin
- 👤 Halpert Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:49
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0055; G05D1/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1418335A
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US1545373A
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US1904801A
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US2356597A
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US2416097A
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US2516796A
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US2466702A
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US2516641A
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US2471637A
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US2474618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |