US2579854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous electrical outlet
Assignee: Individual
•
Filing: 1948-07-07
•
Granted: 1951-12-25
•
Expires: 1968-07-07
Abstract
No abstract record available.
Inventors
- 👤 Winston S Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:14
CPC Classifications
H; H01; H01R; H01R25/00; H01R25/14; H01R25/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2117816A
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US2087004A
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US2175146A
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US2062752A
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US2093677A
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US2192899A
Cited
US2312017A
Cited
US2283177A
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US2332766A
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US2361721A
Cited
US2510745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |