US2775554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanic anode installation
Assignee: Dow Chemical Co
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Filing: 1954-04-29
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Granted: 1956-12-25
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Expires: 1974-04-29
Abstract
No abstract record available.
Inventors
- 👤 Roy C Jorgensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:52
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A CATHODIC PROTECTION SYSTEM FOR PROTECTING THE INTERIOR SURFACES OF A TANK FROM ELECTROLYTIC CORROSION, SAID SYSTEM COMPRISING, WITHIN A TANK HAVING A SUPPORTING MEMBER AND AN ANCHORING MEMBER, A PULLEY SECURED TO SAID SUPPORTING MEMBER, A METALLIC CABLE HAVING ITS END PORTIONS DETACHABLY SECURED TO SAID ANCHORING MEMBER AND ITS INTERMEDIATE PORTION PASSING THROUGH SAID PULLEY, A PLURALITY OF GALVANIC ANODES, SAID ANODES BEING MECHANICALLY AND ELECTRICALLY SECURED TO SAID CABLE BETWEEN ONE OF SAID END PORTIONS THEREOF AND SAID PULLEY, AND MEANS ADJACENT TO EACH END OF SAID CABLE FOR MAKING POSITIVE ELECTRICAL CONTACT BETWEEN AND CABLE AND SAID ANCHORING MEMBER.
Claim 2
Dependent Claim
103 words
A CATHODIC PROTECTION SYSTEM FOR PROTECTING THE INTERIOR SURFACES OF A TANK FROM ELECTROLYTIC CORROSION, SAID SYSTEM COMPRISING, WITHIN A TANK HAVING A SUPPORTING MEMBER AND AN ANCHORING MEMBER, A PULLEY SECURED TO SAID SUPPORTING MEMBER, A METALLIC CABLE HAVING ITS END PORTIONS DETACHABLY SECURED TO SAID ANCHORING MEMBER AND ITS INTERMEDIATE PORTION PASSING THROUGH SAID PULLEY, A PLURALITY OF GALVANIC ANODES, SAID ANODES BEING MECHANICALLY AND ELECTRICALLY SECURED TO SAID CABLE BETWEEN ONE OF SAID END PORTIONS THEREOF AND SAID PULLEY, AND MEANS ADJACENT TO EACH END OF SAID CABLE FOR MAKING POSITIVE ELECTRICAL CONTACT BETWEEN AND CABLE AND SAID ANCHORING MEMBER.
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) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |