Patent US3040146A successfully refreshed from Google Patents.
US3040146A
Expired / Lapsed
US
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Permanent magnet actuator for electric devices
Assignee: Westinghouse Electric Corp
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Filing: 1960-05-02
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Granted: 1962-06-19
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Immel
- 👤 Bruce C Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:20
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2209; H01H50/00; H01H50/16; H01H50/18; H01H2051/2218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US649102A
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US1171021A
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US1573155A
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US2322069A
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US2919323A
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US2922859A
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US2919324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |