US2966074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscous torsional vibration damper
Assignee: Houdaille Industries Inc
•
Filing: 1958-10-29
•
Granted: 1960-12-27
•
Expires: 1978-10-29
Abstract
No abstract record available.
Inventors
- 👤 Rumsey Rollin Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:02
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/16; F16F15/167; F16F15/173; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2122; Y10T74/2126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1969755A
Cited
US2013109A
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US2113390A
Cited
US2137591A
Cited
US2454980A
Cited
US2514136A
Cited
US2736393A
Cited
US2824467A
Cited
GB736808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |