US2622165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter
Assignee: Westinghouse Electric Corp
•
Filing: 1941-06-24
•
Granted: 1952-12-16
•
Expires: 1961-06-24
Abstract
No abstract record available.
Inventors
- 👤 James M Wallace
- 👤 Herbert L Rawlins
- 👤 James M Cumming
- 👤 Wayne S Aspey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:45
CPC Classifications
H; H01; H01H; H01H75/00; H01H75/02; H01H75/04; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US689929A
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US677360A
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US980812A
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US1261777A
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US1336069A
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US1737649A
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US1762298A
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US1805082A
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US1969575A
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US2061301A
Cited
US2066935A
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US2069082A
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US2125465A
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US2299178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |