US2774558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attack angle control apparatus for powered aircraft
Assignee: Honeywell Inc
•
Filing: 1951-01-18
•
Granted: 1956-12-18
•
Expires: 1971-01-18
Abstract
No abstract record available.
Inventors
- 👤 Ross C Alderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:43
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |