US3462136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuned viscous vibration dampers
Assignee: GRANTHAM FOLDER Corp A CORP OF CA
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Filing: 1967-06-29
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Granted: 1969-08-19
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Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Rollin Douglas Rumsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:35
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/16; F16F15/167; F16F15/173; F16F1/00; F16F1/02; F16F1/32; F16F1/324; F16F1/326; F16F15/12; F16F15/121; F16F15/1215; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2122; Y10T74/2125
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) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |