Patent US4555738A successfully refreshed from Google Patents.
Patent US3342716A successfully refreshed from Google Patents.
US3342716A
Expired / Lapsed
US
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Anode for cathodic protection system
Assignee: Engelhard Industries Inc
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Filing: 1964-06-12
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Granted: 1967-09-19
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Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Edward P Anderson
- 👤 Samuel P Crago
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:38
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/20; B; B03; B03B; B03B1/00; B63; B63B; B63B59/00; C23F13/16; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN ANODE ASSEMBLY FOR USE IN A CATHODIC PROTECTION SYSTEM FOR UNDERWATER METAL STRUCTURES COMPRISING, A SUPPORT MEMBER OF ELECTRIC INSULATING MATERIAL, A ROD OF ELECTRICALLY CONDUCTIVE METAL, SAID ROD BEING EMBEDDED IN THE SUPPORT MEMBER WITH PORTIONS OF THE ROD EXPOSED OUTSIDE THE SUPPORT MEMBER AT SPACED INTERVALS ALONG THE LENGTH OF THE ROD, AND MEANS FOR SUPPLYING ELECTRIC POWER TO THE ROD, SAID MEANS INCLUDING A SECOND ROD OF ELECTRICALLY CONDUCTIVE METAL COMPLETELY EMBEDDED IN THE SUPPORT MEMBER PARALLEL TO AND IN CONTACT WITH THE FIRST MENTIONED ROD.
Claim 2
Dependent Claim
90 words
AN ANODE ASSEMBLY FOR USE IN A CATHODIC PROTECTION SYSTEM FOR UNDERWATER METAL STRUCTURES COMPRISING, A SUPPORT MEMBER OF ELECTRIC INSULATING MATERIAL, A ROD OF ELECTRICALLY CONDUCTIVE METAL, SAID ROD BEING EMBEDDED IN THE SUPPORT MEMBER WITH PORTIONS OF THE ROD EXPOSED OUTSIDE THE SUPPORT MEMBER AT SPACED INTERVALS ALONG THE LENGTH OF THE ROD, AND MEANS FOR SUPPLYING ELECTRIC POWER TO THE ROD, SAID MEANS INCLUDING A SECOND ROD OF ELECTRICALLY CONDUCTIVE METAL COMPLETELY EMBEDDED IN THE SUPPORT MEMBER PARALLEL TO AND IN CONTACT WITH THE FIRST MENTIONED ROD.
References Cited (Backward Citations)
US3019177A
Cited
US3022242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |