US2660682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutator connection for dynamoelectric machines
Assignee: Westinghouse Electric Corp
•
Filing: 1949-11-04
•
Granted: 1953-11-24
•
Expires: 1969-11-04
Abstract
No abstract record available.
Inventors
- 👤 John W Clokey
- 👤 Ernest M Laughner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:25
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011; Y10T29/53; Y10T29/5313; Y10T29/53143; Y10T29/53157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1063816A
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US2257643A
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US2306291A
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US2397308A
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US2387885A
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US2442968A
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US2479980A
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US2455560A
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US2484333A
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US2528758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |