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US2947679A
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Corrosion rate sensing assembly
Assignee: Pure Oil Co
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Filing: 1956-12-24
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Granted: 1960-08-02
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Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Schaschl Edward
- 👤 Glenn A Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:32
CPC Classifications
G; G01; G01N; G01N17/00; G01N17/02; C; C23; C23F; C23F13/00; C23F13/02; C23F13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A SENSING ASSEMBLY FOR USE IN DETERMINING THE CORROSION RATE OF IRON WHICH COMPRISES AN ELECTRICALLY NONCONDUCTIVE BASE ELEMENT, AN IRON CATHODE MEMBER OF KNOWN AREA MOUNTED ON SAID BASE, A CORROSION-RESISTANT ANODE MEMBER MOUNTED ON SAID BASE IN SPACED RELATION FROM SAID CATHODE, A REFERENCE ELECTRODE INCORPORATED IN SAID BASE ELEMENT, MEANS FOR ELECTRICALLY CONNECTING SAID CATHODE AND ANODE MEMBERS IN A DIRECT CURRENT POWER CIRCUIT, MEANS FOR ELECTRICALLY CONNECTING SAID REFERENCE ELECTRODE AND SAID CATHODE MEMBER TO AN ELECTRIC POTENTIAL-MEASURING MEANS, AND A THEREADED ELEMENT ON SAID BASE TO MOUNT SAID APPARATUS IN A THREADED OPENING.
Claim 2
Dependent Claim
98 words
A SENSING ASSEMBLY FOR USE IN DETERMINING THE CORROSION RATE OF IRON WHICH COMPRISES AN ELECTRICALLY NONCONDUCTIVE BASE ELEMENT, AN IRON CATHODE MEMBER OF KNOWN AREA MOUNTED ON SAID BASE, A CORROSION-RESISTANT ANODE MEMBER MOUNTED ON SAID BASE IN SPACED RELATION FROM SAID CATHODE, A REFERENCE ELECTRODE INCORPORATED IN SAID BASE ELEMENT, MEANS FOR ELECTRICALLY CONNECTING SAID CATHODE AND ANODE MEMBERS IN A DIRECT CURRENT POWER CIRCUIT, MEANS FOR ELECTRICALLY CONNECTING SAID REFERENCE ELECTRODE AND SAID CATHODE MEMBER TO AN ELECTRIC POTENTIAL-MEASURING MEANS, AND A THEREADED ELEMENT ON SAID BASE TO MOUNT SAID APPARATUS IN A THREADED OPENING.
References Cited (Backward Citations)
US1865004A
Cited
US2215213A
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US2531747A
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US2643223A
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US2759887A
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US2803797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |