US2641345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable cam operated clutch
Assignee: Twin Disc Inc
•
Filing: 1949-02-15
•
Granted: 1953-06-09
•
Expires: 1969-02-15
Abstract
No abstract record available.
Inventors
- 👤 Henry J Dunkelow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:59
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/38; F16D13/52; F16D13/54; F16D13/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1198052A
Cited
US1244848A
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US1282666A
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US1885236A
Cited
US2023772A
Cited
US2174240A
Cited
US2402897A
Cited
US2490398A
Cited
US2460091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |