Patent US3530356A successfully refreshed from Google Patents.
US3530356A
Expired / Lapsed
US
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Regenerative system for electric vehicle
Assignee: Electric Fuel Propulsion Inc
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Filing: 1967-12-26
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Granted: 1970-09-22
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Expires: 1987-12-26
Abstract
No abstract record available.
Inventors
- 👤 Robert R Aronson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:15
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/1446; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/92; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1562903A
Cited
US2107844A
Cited
US3257600A
Cited
US3190387A
Cited
US3280397A
Cited
US3454122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |