US2853891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for automatic transmission
Assignee: Motors Liquidation Co
•
Filing: 1952-05-21
•
Granted: 1958-09-30
•
Expires: 1972-05-21
Abstract
No abstract record available.
Inventors
- 👤 Robert M Tuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:34
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; Y; Y10; Y10S; Y10S74/00; Y10S74/01; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617; Y10T137/7722; Y10T137/7781; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2120104A
Cited
US2161008A
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US2223716A
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US2548208A
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US2493111A
Cited
US2649737A
Cited
US2674191A
Cited
US2675102A
Cited
US2693711A
Cited
US2720124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |