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US2484254A
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Centrifugal switch for single-phase motors
Assignee: Westinghouse Electric Corp
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Filing: 1947-08-28
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Granted: 1949-10-11
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Expires: 1967-08-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Stein
- 👤 John R Greenemeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:44
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/10; H02; H02K; H02K11/00; H02K11/20; H02K11/21; H02K11/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US844384A
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US873815A
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US1022904A
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US1551794A
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US1926339A
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US2032349A
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US2054479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |