US3232857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathodic protection anode structure
Assignee: Bunker Hill Co
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Filing: 1962-08-17
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Granted: 1966-02-01
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Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
- 👤 John W Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:54
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10; C23F13/18; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A CATHODIC PROTECTION STRUCTURE FOR A METALLIC BOAT HULL SURFACE, COMPRISING A PLURALITY OF SACRIFICIAL ANODE METAL BODIES EACH HAVING A CORE ELEMENT OF METAL METALLURGICALLY RETAINED THEREIN AND GALVANICALLY CATHODIC WITH RESPECT TO SAID METAL BODIES, SAID ELEMENTS HAVING END PORTIONS PROJECTING ENDWISE FORM THE BODIES, OPPOSITE END BRACKETS AND AN INTERMEDIATE BRACKET OF METAL GALVANICALLY CATHODIC WITH RESPECT TO SAID BODIES PERMANENTLY WELDED TO THE HULL SURFACE TO BE PROTECTED AND SPACED IN TANDEM SERIAL RELATIONSHIP, SAID BRACKETS HAVING SOCKETS THEREIN RECEIVINGLY ENGAGED WITH SAID CORE ELEMENT END PORTIONS AND IN METALLIC CONTACT THEREWITH, SAID END SOCKETS HAVING ONE END ENCLOSED BY SAID END BRACKETS AND ONE END OPEN TO RECEIVE A CORE END, THEREBY TO SUPPORT SAID BODIES IN SERIAL RELATIONSHIP ALONGSIDE THE SURFACE, THE CORE ELEMENT END PORTIONS RECEIVED BY THE INTERMEDIATE BRACKET BEING WELDED THERETO BY A TEMPORARY, SEVERABLE WELD.
Claim 2
Dependent Claim
145 words
A CATHODIC PROTECTION STRUCTURE FOR A METALLIC BOAT HULL SURFACE, COMPRISING A PLURALITY OF SACRIFICIAL ANODE METAL BODIES EACH HAVING A CORE ELEMENT OF METAL METALLURGICALLY RETAINED THEREIN AND GALVANICALLY CATHODIC WITH RESPECT TO SAID METAL BODIES, SAID ELEMENTS HAVING END PORTIONS PROJECTING ENDWISE FORM THE BODIES, OPPOSITE END BRACKETS AND AN INTERMEDIATE BRACKET OF METAL GALVANICALLY CATHODIC WITH RESPECT TO SAID BODIES PERMANENTLY WELDED TO THE HULL SURFACE TO BE PROTECTED AND SPACED IN TANDEM SERIAL RELATIONSHIP, SAID BRACKETS HAVING SOCKETS THEREIN RECEIVINGLY ENGAGED WITH SAID CORE ELEMENT END PORTIONS AND IN METALLIC CONTACT THEREWITH, SAID END SOCKETS HAVING ONE END ENCLOSED BY SAID END BRACKETS AND ONE END OPEN TO RECEIVE A CORE END, THEREBY TO SUPPORT SAID BODIES IN SERIAL RELATIONSHIP ALONGSIDE THE SURFACE, THE CORE ELEMENT END PORTIONS RECEIVED BY THE INTERMEDIATE BRACKET BEING WELDED THERETO BY A TEMPORARY, SEVERABLE WELD.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |