US2605877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic clutch
Assignee: Individual
•
Filing: 1949-12-13
•
Granted: 1952-08-05
•
Expires: 1969-12-13
Abstract
No abstract record available.
Inventors
- 👤 Martin P Winther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:32
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US762622A
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FR474053A
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US1655827A
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US1756907A
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US2070813A
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US2017915A
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US2279986A
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US2230520A
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US2338693A
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US2351598A
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GB556182A
Cited
US2407022A
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GB599540A
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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) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |