US2665341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shockproof locking electrical plug and receptacle
Assignee: Individual
•
Filing: 1953-02-26
•
Granted: 1954-01-05
•
Expires: 1973-02-26
Abstract
No abstract record available.
Inventors
- 👤 Walter H Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:25
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/44; H01R13/447; H01R13/66; H01R13/70; H01R13/703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH62011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |