Patent US2980880A successfully refreshed from Google Patents.
US2980880A
Expired / Lapsed
US
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Wiring device
Assignee: Westinghouse Electric Corp
•
Filing: 1956-09-27
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Granted: 1961-04-18
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Expires: 1976-09-27
Abstract
No abstract record available.
Inventors
- 👤 Frederic C Winkler
- 👤 George J Picha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:34
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08; H01R33/0863
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE481485C
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US2329880A
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US2534361A
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US2533483A
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US2647225A
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CH304540A
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US2765397A
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US2897474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |