US3066776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic clutch control systems for motor vehicles
Assignee: Individual
•
Filing: 1959-08-11
•
Granted: 1962-12-04
•
Expires: 1979-08-11
Abstract
No abstract record available.
Inventors
- 👤 Hefel Karl
- 👤 Thungen Hubert Freiherr Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:06
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/02; F16D48/04; F16D48/06; F16D48/066; F16D2500/00; F16D2500/30; F16D2500/314; F16D2500/31406; F16D2500/31413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20792E
Cited
US1729173A
Cited
US2180537A
Cited
US2163903A
Cited
US2365470A
Cited
US2510042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |