Patent US2982714A successfully refreshed from Google Patents.
US2982714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic system
Assignee: Individual
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Filing: 1958-06-02
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Granted: 1961-05-02
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Rolland C Sabins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:05
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A CONTROL SYSTEM FOR CATHODICALLY PROTECTING A STRUCTURE IMMERSED IN AN ELECTROLYTE, AN ANODE IMMERSED IN THE ELECTROLYTE; MEANS CONNECTED TO SAID ANODE AND SAID STRUCTURE TO IMPRESS A CURRENT FLOW BETWEEN THE ANODE AND THE STRUCTURE TO CAUSE THE STRUCTURE TO SERVE AS A CATHODE; A SINGLE REFERENCE ELECTRODE IMMERSED IN THE ELECTROLYTE, THE REFERENCE ELECTRODE HAVING A RELATIVELY CONSTANT POTENTIAL IN THE ELECTROLYTE WHICH DIFFERS FROM THE POTENTIAL OF SAID STRUCTURE TO BE CATHODICALLY PROTECTED; A CONSTANTLY CLOSED REFERENCE CIRCUIT IN WHICH A REFERENCE CURRENT FLOWS BETWEEN THE STRUCTURE AND THE REFERENCE ELECTRODE, SAID REFERENCE CIRCUIT INCLUDING SAID A CURRENT RESPONSIVE DEVICE ALL CONNECTED IN SERIES CIRCUIT RELATIONSHIP; MEANS RESPONSIVE TO THE REFERENCE CURRENT FLOW IN SAID CURRENT RESPONSIVE DEVICE BETWEEN THE REFERENCE ELECTRODE AND SAID STRUCTURE TO REGULATE SAID FIRST MEANS TO MAINTAIN A RELATIVELY CONSTANT PREDETERMINED POLARIZATION POTENTIAL ON SAID STRUCTURE; AND MEANS PROVIDING A CONSTANTLY CLOSED CIRCUIT INCLUDING A SOURCE OF CURRENT, SAID STRUCTURE, SAID SINGLE REFERENCE ELECTRODE, AND THE ELECTROLYTE, FOR MAINTAINING THE POTENTIAL OF THE REFERENCE ELECTRODE AT A SUBSTANTIALLY CONSTANT LEVEL.
Claim 2
Dependent Claim
180 words
IN A CONTROL SYSTEM FOR CATHODICALLY PROTECTING A STRUCTURE IMMERSED IN AN ELECTROLYTE, AN ANODE IMMERSED IN THE ELECTROLYTE; MEANS CONNECTED TO SAID ANODE AND SAID STRUCTURE TO IMPRESS A CURRENT FLOW BETWEEN THE ANODE AND THE STRUCTURE TO CAUSE THE STRUCTURE TO SERVE AS A CATHODE; A SINGLE REFERENCE ELECTRODE IMMERSED IN THE ELECTROLYTE, THE REFERENCE ELECTRODE HAVING A RELATIVELY CONSTANT POTENTIAL IN THE ELECTROLYTE WHICH DIFFERS FROM THE POTENTIAL OF SAID STRUCTURE TO BE CATHODICALLY PROTECTED; A CONSTANTLY CLOSED REFERENCE CIRCUIT IN WHICH A REFERENCE CURRENT FLOWS BETWEEN THE STRUCTURE AND THE REFERENCE ELECTRODE, SAID REFERENCE CIRCUIT INCLUDING SAID A CURRENT RESPONSIVE DEVICE ALL CONNECTED IN SERIES CIRCUIT RELATIONSHIP; MEANS RESPONSIVE TO THE REFERENCE CURRENT FLOW IN SAID CURRENT RESPONSIVE DEVICE BETWEEN THE REFERENCE ELECTRODE AND SAID STRUCTURE TO REGULATE SAID FIRST MEANS TO MAINTAIN A RELATIVELY CONSTANT PREDETERMINED POLARIZATION POTENTIAL ON SAID STRUCTURE; AND MEANS PROVIDING A CONSTANTLY CLOSED CIRCUIT INCLUDING A SOURCE OF CURRENT, SAID STRUCTURE, SAID SINGLE REFERENCE ELECTRODE, AND THE ELECTROLYTE, FOR MAINTAINING THE POTENTIAL OF THE REFERENCE ELECTRODE AT A SUBSTANTIALLY CONSTANT LEVEL.
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |