US3538790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power train
Assignee: Motors Liquidation Co
•
Filing: 1968-10-02
•
Granted: 1970-11-10
•
Expires: 1988-10-02
Abstract
No abstract record available.
Inventors
- 👤 James C Polak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:17
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/02; F16H47/04; B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/14; B62D11/18; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/088; F16H2047/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2272934A
Cited
US2580946A
Cited
US3122025A
Cited
US3383952A
Cited
US3306129A
Cited
US3427899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |