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Patent US2981537A successfully refreshed from Google Patents.
US2981537A
Expired / Lapsed
US
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Self-damping torsilastic suspension
Assignee: Motors Liquidation Co
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Filing: 1959-12-14
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Granted: 1961-04-25
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Ronald W Roe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:45
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; B60G11/23; F; F16; F16F; F16F1/00; F16F1/36; F16F1/38; F16F7/00; F16F7/02; F16F7/04; F16F2236/00; F16F2236/08
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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |