Patent US1740893A successfully refreshed from Google Patents.
US2987940A
Expired / Lapsed
US
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Transmission
Assignee: Motors Liquidation Co
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Filing: 1957-07-22
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Granted: 1961-06-13
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Expires: 1977-07-22
Abstract
No abstract record available.
Inventors
- 👤 Robert M Tuck
- 👤 Mark E Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:19
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085; F16H41/00; F16H41/24; F16H41/26; Y; Y10; Y10S; Y10S74/00; Y10S74/03; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |