US3479907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsional vibration damper
Assignee: Cummins Turbo Technologies Ltd
•
Filing: 1967-12-05
•
Granted: 1969-11-25
•
Expires: 1987-12-05
Abstract
No abstract record available.
Inventors
- 👤 Jeffrey Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:32
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/121; F16F15/124; F16F15/126; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2131
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2477081A
Cited
US2526744A
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US2556999A
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US2764038A
Cited
US3108490A
Cited
US2972904A
Cited
US2939338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |