Patent US2965724A successfully refreshed from Google Patents.
US2965724A
Expired / Lapsed
US
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Nutating commutator switch
Assignee: J K NUNAN
•
Filing: 1958-04-01
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Granted: 1960-12-20
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Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Martin V Kiebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:21
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1705238A
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US2478929A
Cited
US2634342A
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US2715163A
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US2744972A
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US2847531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |