US2523504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine mount
Assignee: North American Aviation Corp
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Filing: 1946-07-22
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Granted: 1950-09-26
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Expires: 1966-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick A Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:16
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/38; F16F1/393; F16F1/3935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |