Patent US2694947A successfully refreshed from Google Patents.
US2694947A
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US
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Torsional vibration dynamic damper
Assignee: Individual
•
Filing: 1952-01-16
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Granted: 1954-11-23
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Expires: 1972-01-16
Abstract
No abstract record available.
Inventors
- 👤 Sarazin Gilles Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:06
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/14; F16F15/16; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/213; Y10T74/2173; Y10T74/2183; Y10T74/2184
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) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |