US3538706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicylinder hot gas engine with power control
Assignee: Motors Liquidation Co
•
Filing: 1968-08-02
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Granted: 1970-11-10
•
Expires: 1988-08-02
Abstract
No abstract record available.
Inventors
- 👤 Richard R Toepel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:49
CPC Classifications
F; F16; F16H; F16H23/00; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/045; F02G2244/00; F02G2244/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US970640A
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GB336810A
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US2480525A
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US2583311A
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US2445281A
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US2468293A
Cited
US2611235A
Cited
US2664699A
Cited
US2691350A
Cited
GB812836A
Cited
US3117414A
Cited
US3191542A
Cited
US3315465A
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 |