US2535415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch mechanism for spring wound motors
Assignee: Individual
•
Filing: 1949-05-27
•
Granted: 1950-12-26
•
Expires: 1969-05-27
Abstract
No abstract record available.
Inventors
- 👤 Heller Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:55
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/04; G; G10; G10F; G10F1/00; G10F1/06
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) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |