Patent US3446917A successfully refreshed from Google Patents.
US2674723A
Expired / Lapsed
US
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Electrical connector
Assignee: Individual
•
Filing: 1951-04-19
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Granted: 1954-04-06
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Expires: 1971-04-19
Abstract
No abstract record available.
Inventors
- 👤 John H Hurlbut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317548A
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US808097A
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US1166349A
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DE678913C
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US2235535A
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US2310024A
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US2356752A
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US2398634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |