US2966651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three to two-wire plug adapter with grounding pigtail
Assignee: Harvey Hubbell Inc
•
Filing: 1955-03-10
•
Granted: 1960-12-27
•
Expires: 1975-03-10
Abstract
No abstract record available.
Inventors
- 👤 Holtz Charles Theodore Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:27
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/648
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1842351A
Cited
US2010847A
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US2163716A
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US2449356A
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US2495623A
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US2743505A
Cited
US2715714A
Cited
US2688123A
Cited
US2699534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |