Patent US2577660A successfully refreshed from Google Patents.
US2577660A
Expired / Lapsed
US
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Selective manual control for automatic change-speed transmissions
Assignee: Individual
•
Filing: 1948-10-18
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Granted: 1951-12-04
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Expires: 1968-10-18
Abstract
No abstract record available.
Inventors
- 👤 Martin C Krueger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:07
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0265; F16H61/0267; F16H61/0269; F16H59/00; F16H2059/006; F16H2710/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2071785A
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US2120104A
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US1922634A
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US1983745A
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US2103540A
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US2071292A
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US2264444A
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US2376545A
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US2260406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |