US2722303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic clutch for change speed gear device
Assignee: Eaton Corp
•
Filing: 1952-02-13
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Granted: 1955-11-01
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Expires: 1972-02-13
Abstract
No abstract record available.
Inventors
- 👤 Utz George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:27
CPC Classifications
F; F16; F16D; F16D27/00; F16H; F16H61/00; F16H61/02; F16H61/0202; F16H2716/00; F16H2716/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987
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) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |