US2494006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch mechanism for sewing machines
Assignee: Union Special Machine Co
•
Filing: 1946-10-01
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Granted: 1950-01-10
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Expires: 1966-10-01
Abstract
No abstract record available.
Inventors
- 👤 Schoij Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:31
CPC Classifications
D; D05; D05B; D05B27/00; D05B27/10; D05B27/18; F; F16; F16D; F16D41/00; F16D41/06; F16D41/064; F16D41/066; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558
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) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |