US3515968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination electric and internal combustion power unit for automobiles
Assignee: AMLIN PROPULSION Inc 701 BROAD ST FAIRBORN OH 45324 A CORP OF OH
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Filing: 1968-03-06
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Granted: 1970-06-02
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Expires: 1988-03-06
Abstract
No abstract record available.
Inventors
- 👤 Francis W Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:24
CPC Classifications
B; B60; B60K; B60K6/00; B60K6/20; B60K6/42; B60K6/46; B60L; B60L15/00; B60L15/20; B60L15/2045; B60L50/00; B60L50/50; B60L50/60; B60L50/61; B60L50/62; B60L7/00; B60L7/02; B60L7/04; B60L7/06; B60L2210/00; B60L2210/40; B60L2240/00; B60L2240/10; B60L2240/12; B60L2240/34; B60L2240/36; B60L2240/40; B60L2240/42; B60L2240/421; B60L2240/44; B60L2240/441; B60L2240/54; B60L2240/547; B60L2250/00; B60L2250/26; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/62; Y02T10/64; Y02T10/70; Y02T10/7072; Y02T10/72; Y10; Y10S; Y10S320/00; Y10S320/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2107844A
Cited
US2653841A
Cited
US2683850A
Cited
US3182742A
Cited
US3205966A
Cited
US3367438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |