US3048810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for conductor cord plugs
Assignee: Individual
•
Filing: 1959-12-31
•
Granted: 1962-08-07
•
Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Charles L Steen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:13
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)
US681470A
Cited
US1765035A
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US1921447A
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US2229849A
Cited
US2267630A
Cited
US2725543A
Cited
US2721313A
Cited
US2662953A
Cited
US2720633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |