Patent US3400612A successfully refreshed from Google Patents.
US3400612A
Expired / Lapsed
US
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Automatic control valve system for a multiple speed ratio power transmission mechanism having a control pressure booster
Assignee: Ford Motor Co
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Filing: 1966-01-05
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Granted: 1968-09-10
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Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Stanley Leroy Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:40
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0265; F16H61/0267; F16H47/00; F16H47/06; F16H47/08; F16H59/00; F16H59/14; F16H59/18; F16H2059/186; F16H61/0021; Y; Y10; Y10S; Y10S74/00; Y10S74/01
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |