US2955656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary power system for aircraft
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1954-12-27
•
Granted: 1960-10-11
•
Expires: 1974-12-27
Abstract
No abstract record available.
Inventors
- 👤 Otto E Balje
- 👤 John J Dineen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:18
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F03D7/0204; F03D7/0208; F03D7/0212; B; B64; B64D; B64D41/00; B64D41/007; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1481024A
Cited
US1558645A
Cited
US2220514A
Cited
US2533785A
Cited
US2516576A
Cited
US2727577A
Cited
US2777524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |