US2567922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pilot for aircraft
Assignee: Unisys Corp
•
Filing: 1946-02-26
•
Granted: 1951-09-18
•
Expires: 1966-02-26
Abstract
No abstract record available.
Inventors
- 👤 Richard S Brannin
- 👤 Halpert Percy
- 👤 George F Jude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:12
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)
US2162862A
Cited
US2270875A
Cited
US2351977A
Cited
US2371388A
Cited
US2405015A
Cited
US2450907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |