Patent US2507092A successfully refreshed from Google Patents.
US2507092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric plug
Assignee: JOHN J DAGGON
•
Filing: 1944-12-07
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Granted: 1950-05-09
•
Expires: 1964-12-07
Abstract
No abstract record available.
Inventors
- 👤 Harold A Cline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:38
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/629; H01R13/633; H01R13/6335
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US650432A
Cited
US901034A
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US1540008A
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US1572563A
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US1772261A
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US2030115A
Cited
US1846251A
Cited
US2074861A
Cited
US2072729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |