Patent US2101843A successfully refreshed from Google Patents.
US2677115A
Expired / Lapsed
US
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Electrical plug and socket connector with sealing joint between their contacts
Assignee: Whitney Blake Co
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Filing: 1951-08-13
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Granted: 1954-04-27
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Expires: 1971-08-13
Abstract
No abstract record available.
Inventors
- 👤 Charles H Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:46
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/64; H01R13/642; H01R13/46; H01R13/52; H01R13/5219
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |