US2744597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch mechanism
Assignee: Individual
•
Filing: 1952-11-06
•
Granted: 1956-05-08
•
Expires: 1972-11-06
Abstract
No abstract record available.
Inventors
- 👤 Robert H Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:12
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/04; F16D13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US129914A
Cited
US2273496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |