US2578533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque limiter
Assignee: Individual
•
Filing: 1950-03-31
•
Granted: 1951-12-11
•
Expires: 1970-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas F Garrahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:42
CPC Classifications
F; F16; F16H; F16H35/00; F16H35/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1227107A
Cited
US2031608A
Cited
US1972377A
Cited
US2092883A
Cited
US2399925A
Cited
US2527658A
Cited
US2470390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |