Patent US3517954A successfully refreshed from Google Patents.
US3517954A
Expired / Lapsed
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Electrode section-connecting nipple pre-assembly and process of assembling an electrode joint
Assignee: GREAT LAKES CARBON CORP
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Filing: 1967-10-23
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Granted: 1970-06-30
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Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Snyder
- 👤 Charles C Maxfield
- 👤 Francis H Skinner
- 👤 James A Whitwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:28
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/14; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S403/00; Y10S403/05; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888; Y10T403/00; Y10T403/55; Y10T403/556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2989087A
Cited
US2873765A
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US2957716A
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US3134616A
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US3140967A
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US3088762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |