US2902612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic clutch
Assignee: Rea Magnet Wire Co Inc
•
Filing: 1955-10-14
•
Granted: 1959-09-01
•
Expires: 1975-10-14
Abstract
No abstract record available.
Inventors
- 👤 Robert L Whearley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:55
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US896868A
Cited
FR426803A
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US2132573A
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US2488079A
Cited
US2519882A
Cited
US2566743A
Cited
GB682124A
Cited
US2607820A
Cited
US2717743A
Cited
US2824244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |