Patent US2858515A successfully refreshed from Google Patents.
US2858515A
Expired / Lapsed
US
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Electrical connector with resilient gripping means
Assignee: Westinghouse Electric Corp
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Filing: 1954-08-12
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Granted: 1958-10-28
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Expires: 1974-08-12
Abstract
No abstract record available.
Inventors
- 👤 Hans T Thunander
- 👤 Calvin J Holtkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:09
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/70; H01R12/71; H01R12/72; H01R12/721; H01R13/00; H01R13/02; H01R13/26; H01R13/025; Y; Y10; Y10S; Y10S439/00; Y10S439/93
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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |