US2756204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for cathodic protection of metallic structures
Assignee: FA Hughes and Co Ltd
•
Filing: 1953-12-21
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Granted: 1956-07-24
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Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 William F Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:40
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
117 words
A DEVICE FOR THE PROTECTION OF FERROUS METAL STRUCTURES IMMERSED IN AN AQUEOUS ELECTROLYTE AGAINST CORROSION COMPRISING A PLURALITY OF ELONGATED MEMBERS OF METAL SUITABLE FOR SACRIFICIAL ANODES OF THE CLASS CONSISTING OF MAGNESIUM AND MAGNESIUM ALLOYS, SAID MEMBERS HAVING A LENGTH OF AT LEAST SIX INCHES AND GREATER THAN SIX TIMES THEIR WIDTH, SAID MEMBERS BEING CONNECTED CLOSELY TOGETHER AT ONE PART OF THEIR LENGTH BY A BODY OF ZINC PARALLEL TO EACH OTHER AND EXTENDING AWAY FROM THE POSITION OF CONNECTION PARALLEL TO EACH OTHER, SAID MEMBERS BEING DEFORMABLE BY BENDING INTO DIRECTIONS DIVERGING FROM EACH OTHER WHEREBY A STRONG INTERFERENCE EFFECT IS PRODUCED WHEN THE DEVICE IS CONNECTED TO SAID STRUCTURE IN THE ELECTROYLTE.
Claim 2
Independent Claim
117 words
A DEVICE FOR THE PROTECTION OF FERROUS METAL STRUCTURES IMMERSED IN AN AQUEOUS ELECTROLYTE AGAINST CORROSION COMPRISING A PLURALITY OF ELONGATED MEMBERS OF METAL SUITABLE FOR SACRIFICIAL ANODES OF THE CLASS CONSISTING OF MAGNESIUM AND MAGNESIUM ALLOYS, SAID MEMBERS HAVING A LENGTH OF AT LEAST SIX INCHES AND GREATER THAN SIX TIMES THEIR WIDTH, SAID MEMBERS BEING CONNECTED CLOSELY TOGETHER AT ONE PART OF THEIR LENGTH BY A BODY OF ZINC PARALLEL TO EACH OTHER AND EXTENDING AWAY FROM THE POSITION OF CONNECTION PARALLEL TO EACH OTHER, SAID MEMBERS BEING DEFORMABLE BY BENDING INTO DIRECTIONS DIVERGING FROM EACH OTHER WHEREBY A STRONG INTERFERENCE EFFECT IS PRODUCED WHEN THE DEVICE IS CONNECTED TO SAID STRUCTURE IN THE ELECTROYLTE.
References Cited (Backward Citations)
GB190611216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |