Patent US2335188A successfully refreshed from Google Patents.
Patent US3630880A successfully refreshed from Google Patents.
US3630880A
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US
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Current collector and electrode assembly
Assignee: Phillips Petroleum Co
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Filing: 1968-12-23
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Granted: 1971-12-28
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Expires: 1988-12-23
Abstract
Abstract A CURRENT COLLECTOR IS PROVIDED FOR ESTABLISHING AN EFFICIENT ELECTRICAL CONNECTION BETWEEN SAME AND AN ELECTRODE IN AN ELECTROLYTIC APPARATUS. SAID CURRENT COLLECTOR COMPRISES A CURRENT-CONDUCTING BAR AND MEANS FOR EXPANDING AT LEAST ONE END PORTION OF SAID BAR. AN ELECTRODE ASSEMBLY COMPRISING AN ELECTRODE ELEMENT HAVING AT LEAST ONE OF SAID CURRENT COLLECTORS MOUNTED IN AN OPENNG THEREIN IS ALSO PROVIDED.
Inventors
- 👤 Murl B Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:04
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/60; C25B9/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |