Patent US2879494A successfully refreshed from Google Patents.
US2879494A
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Electric plug with disabling means
Assignee: Individual
•
Filing: 1955-03-09
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Granted: 1959-03-24
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Expires: 1975-03-09
Abstract
No abstract record available.
Inventors
- 👤 Herman C Teetor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:50
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/44; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7667; Y10T70/7706
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US852395A
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US1351191A
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US2097257A
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US2163201A
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US2654073A
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US2624776A
Cited
US2759159A
Cited
US2761028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |