US2606431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable drive clutch for regulating the torque imparted to a driven member
Assignee: Individual
•
Filing: 1947-08-18
•
Granted: 1952-08-12
•
Expires: 1967-08-18
Abstract
No abstract record available.
Inventors
- 👤 Gustavus S Elgin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; F16D7/024; F16D7/025; F16D7/027; Y; Y10; Y10T; Y10T408/00; Y10T408/70; Y10T408/72
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) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |