Patent US3020510A successfully refreshed from Google Patents.
US3020510A
Expired / Lapsed
US
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Electrical connector for preformed panel circuit arrangements
Assignee: AT&T Inc
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Filing: 1957-12-26
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Granted: 1962-02-06
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Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Kuch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:43
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/70; H01R12/71; H01R12/72; H01R12/722; H01R12/725
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US646179A
Cited
US2317710A
Cited
US2566805A
Cited
GB684579A
Cited
US2664552A
Cited
US2765450A
Cited
US2832013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |