US2848080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two stage clutch control system
Assignee: ZF Friedrichshafen AG
•
Filing: 1955-02-24
•
Granted: 1958-08-19
•
Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Binder Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:07
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/40; F16H63/46; B; B60; B60W; B60W10/00; B60W10/02; B60W10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2080484A
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US2164865A
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US2177662A
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US2168682A
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US2163891A
Cited
US2144074A
Cited
US2612869A
Cited
US2531711A
Cited
US2604197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |