Patent US1992568A successfully refreshed from Google Patents.
US1992568A
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Auxiliary energy plant for motor driven vehicles
Assignee: CLARENCE H BENHAM
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Filing: 1933-06-12
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Granted: 1935-02-26
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Expires: 1953-06-12
Abstract
No abstract record available.
Inventors
- 👤 George S Connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:16
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02N19/10; B; B60; B60H; B60H1/00; B60H1/00421; F01; F01P; F01P11/00; F01P11/14; F01P11/20; F02N7/00; F02N7/10; F01P2037/00; F01P2037/02; F01P2060/00; F01P2060/04; F01P2060/045; Y; Y10; Y10S; Y10S203/00; Y10S203/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-02-25 | 1938-08-27 | 1939-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-25 | 1942-08-27 | 1943-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-25 | 1946-08-27 | 1947-02-26 | $7700.00 | Window Closed / Lapsed |