US2652700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration damper for long shafts
Assignee: Cessna Aircraft Co
•
Filing: 1952-01-24
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Granted: 1953-09-22
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Expires: 1972-01-24
Abstract
No abstract record available.
Inventors
- 👤 Charles M Seibel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:53
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/001; F; F16; F16F; F16F15/00; F16F15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB520762A
Cited
US2220751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |