US3413872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damping means
Assignee: Bristol Siddeley Engines Ltd
•
Filing: 1966-03-18
•
Granted: 1968-12-03
•
Expires: 1986-03-18
Abstract
No abstract record available.
Inventors
- 👤 Haworth Lionel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:24
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F01D5/10; F16; F16C; F16C3/00; F16C3/02; F16F; F16F15/00; F16F15/10; F16C2360/00; F16C2360/23
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2277186A
Cited
GB624384A
Cited
US2722138A
Cited
US2729518A
Cited
US2652700A
Cited
FR1262533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |