Patent US2863819A successfully refreshed from Google Patents.
US2863819A
Expired / Lapsed
US
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Insoluble trailing anode for cathodic protection of ships
Assignee: Individual
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Filing: 1955-08-25
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Granted: 1958-12-09
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Expires: 1975-08-25
Abstract
No abstract record available.
Inventors
- 👤 Herman S Preiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:28
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A CATHODIC PROTECTION SYSTEM FOR PREVENTING CORROSION OF SHIP HULLS COMPRISING A CURRENT SOURCE HAVING A NEGATIVE TERMINAL CONNECTED TO SAID HULL AND A POSITIVE TERMINAL, AN INSULATED ELECTRIC CABLE HAVING ONE END CONNECTED TO SAID POSITIVE TERMINAL AND ADAPTED TO BE TRAILED IN THE WATER BEHIND SAID HULL, A STEAMLINED, ELECTROCHEMICALLY INSOLUBLE ELECTRODE ROD CONNECTED TO THE TRAILING END OF SAID CABLE HAVING A WEIGHT PER UNIT LENGTH EQUAL TO SAID CABLE WHEREBY THE ELECTRODE WILL TRAIL SMOOTHLY THROUGH SAID WATER, AND A STREAMLINED, OXYCHLORINE RESISTANT INSULATING AND SEALING MEANS MOLDED AROUND THE CONNECTION BETWEEN SAID ELECTRODE ROD AND SAID CABLE.
Claim 2
Dependent Claim
102 words
A CATHODIC PROTECTION SYSTEM FOR PREVENTING CORROSION OF SHIP HULLS COMPRISING A CURRENT SOURCE HAVING A NEGATIVE TERMINAL CONNECTED TO SAID HULL AND A POSITIVE TERMINAL, AN INSULATED ELECTRIC CABLE HAVING ONE END CONNECTED TO SAID POSITIVE TERMINAL AND ADAPTED TO BE TRAILED IN THE WATER BEHIND SAID HULL, A STEAMLINED, ELECTROCHEMICALLY INSOLUBLE ELECTRODE ROD CONNECTED TO THE TRAILING END OF SAID CABLE HAVING A WEIGHT PER UNIT LENGTH EQUAL TO SAID CABLE WHEREBY THE ELECTRODE WILL TRAIL SMOOTHLY THROUGH SAID WATER, AND A STREAMLINED, OXYCHLORINE RESISTANT INSULATING AND SEALING MEANS MOLDED AROUND THE CONNECTION BETWEEN SAID ELECTRODE ROD AND SAID CABLE.
References Cited (Backward Citations)
US1077894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |