US2707540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction clutch
Assignee: Individual
•
Filing: 1951-02-27
•
Granted: 1955-05-03
•
Expires: 1971-02-27
Abstract
No abstract record available.
Inventors
- 👤 Harry C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:59
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/08; F16D41/086; F16D41/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2224935A
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US2561745A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |