Patent US2783267A successfully refreshed from Google Patents.
Patent US2739679A successfully refreshed from Google Patents.
US2739679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive friction clutch
Assignee: Individual
•
Filing: 1950-05-16
•
Granted: 1956-03-27
•
Expires: 1970-05-16
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Randol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:26
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/38; F16D13/46; F16D13/48; F16D13/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1137507A
Cited
US1470773A
Cited
US1702721A
Cited
US1706739A
Cited
US2197469A
Cited
US2087643A
Cited
US1979488A
Cited
US2252136A
Cited
US2109420A
Cited
US2217940A
Cited
US2225315A
Cited
US2067848A
Cited
US2102271A
Cited
US2134520A
Cited
US2240712A
Cited
US2187824A
Cited
US2208865A
Cited
US2296282A
Cited
US2365470A
Cited
US2531710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |