Patent US3057981A successfully refreshed from Google Patents.
US3057981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric socket adapter with fuse plug
Assignee: Individual
•
Filing: 1961-03-23
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Granted: 1962-10-09
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Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 Charles V Todoran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:11
CPC Classifications
H; H01; H01R; H01R31/00; H01R31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2039336A
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US2194999A
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US2487374A
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US2700079A
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US2630504A
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US2701349A
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US2661413A
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US2777032A
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US2899512A
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US2834853A
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US3057982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |