Patent US2502252A successfully refreshed from Google Patents.
US2502252A
Expired / Lapsed
US
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Electrical swivel connection
Assignee: Individual
•
Filing: 1945-06-30
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Granted: 1950-03-28
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Expires: 1965-06-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Faile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:13
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/64; H01R39/643
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324278A
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US913831A
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US1649276A
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US1706412A
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US1746159A
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US1768260A
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US1928865A
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US1975964A
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US1917803A
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US2288259A
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US2238319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |