US2565579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically releasing coupling for the transmission of torque
Assignee: Individual
•
Filing: 1946-06-07
•
Granted: 1951-08-28
•
Expires: 1966-06-07
Abstract
No abstract record available.
Inventors
- 👤 Robert H Thorner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:49
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/28; F16D43/286; B; B25; B25B; B25B23/00; B25B23/14; B25B23/141; B25B23/142; B25B23/1422; B25B23/1427; F16D2300/00; F16D2300/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1860871A
Cited
US1919437A
Cited
US2293786A
Cited
US2293787A
Cited
US2378956A
Cited
US2398392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |