US2725543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for electrical plug connectors
Assignee: Individual
•
Filing: 1951-05-18
•
Granted: 1955-11-29
•
Expires: 1971-05-18
Abstract
No abstract record available.
Inventors
- 👤 Henry G Tanner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:16
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/639; H01R13/6392
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US298707A
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US1311923A
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US1626305A
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US2206471A
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US2291793A
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US2384267A
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US2386177A
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US2406567A
Cited
US2461427A
Cited
US2562268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |