Patent US3192144A successfully refreshed from Google Patents.
US3192144A
Expired / Lapsed
US
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Reference electrodes for use in cathodic protection systems
Assignee: CONTRE LA CORROSION SOC ET
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Filing: 1964-06-04
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Granted: 1965-06-29
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Heuze Bernard Marie Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:31
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/04; G; G01; G01N; G01N17/00; G01N17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A CONSTANT-POTENTIAL REFERENCE ELECTRODE FOR USE IN CATHODIC PROTECTION SYSTEMS, COMPRISING A COPPER CORE EMBEDDED IN A SOLID ELECTROLYTIC MIXTURE, SAID MIXTURE CONSISTING OF 30 TO 70% BY VOLUME OF POWDERED COPPER SULPHATE AND 70 TO 30% BY VOLUME OF CLAY.
Claim 2
Dependent Claim
41 words
A CONSTANT-POTENTIAL REFERENCE ELECTRODE FOR USE IN CATHODIC PROTECTION SYSTEMS, COMPRISING A COPPER CORE EMBEDDED IN A SOLID ELECTROLYTIC MIXTURE, SAID MIXTURE CONSISTING OF 30 TO 70% BY VOLUME OF POWDERED COPPER SULPHATE AND 70 TO 30% BY VOLUME OF CLAY.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |