US3098991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion probe with cathodically protected compensating element
Assignee: Pure Oil Co
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Filing: 1960-11-30
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Granted: 1963-07-23
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Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 James E Wolber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:34
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN CORROSION TEST PROBE COMPRISING A BASE, AND ANODE SUPPORTED BY SAID BASE AND PROJECTING THEREFROM, AN ELONGATED TEST ELEMENT FABRICATED OF A CORRODIBLE, CONDUCTIVE METAL OPERABLY SUPPORTED AT ONE END BY SAID BASE AND AT THE OTHER END BY SAID ANODE, SAID TEST ELEMENT AND ANODE BEING IN ELECTRICALLY INSULATED RELATIONSHIP, AN ELONGATED, METALLIC COMPENSATING ELEMENT HAVING A TEMPERATURE-RESISTANCE CHARACTERISTIC SIMILAR TO THAT OF SAID TEST ELEMENT OPERATIVELY SUPPORTED AT ONE END BY SAID BASE AND AT THE OTHER END BY SAID ANODE, SAID ANODE AND COMPENSATING ELEMENT BEING ELECTRICALLY CONNECTED, THE EXTERIOR SURFACE OF SAID ANODE BEING OF A METAL ANODIC WITH RESPECT TO SAID COMPENSATING ELEMENT TO CATHODICALLY PROTECT THE SAME, AND ELECTRICAL CONDUCTORS CONNECTED TO THE ENDS OF SAID TEST ELEMENT AND TO THE BASE-SUPPORTED END OF SAID COMPENSATING ELEMENT.
Claim 2
Dependent Claim
134 words
AN CORROSION TEST PROBE COMPRISING A BASE, AND ANODE SUPPORTED BY SAID BASE AND PROJECTING THEREFROM, AN ELONGATED TEST ELEMENT FABRICATED OF A CORRODIBLE, CONDUCTIVE METAL OPERABLY SUPPORTED AT ONE END BY SAID BASE AND AT THE OTHER END BY SAID ANODE, SAID TEST ELEMENT AND ANODE BEING IN ELECTRICALLY INSULATED RELATIONSHIP, AN ELONGATED, METALLIC COMPENSATING ELEMENT HAVING A TEMPERATURE-RESISTANCE CHARACTERISTIC SIMILAR TO THAT OF SAID TEST ELEMENT OPERATIVELY SUPPORTED AT ONE END BY SAID BASE AND AT THE OTHER END BY SAID ANODE, SAID ANODE AND COMPENSATING ELEMENT BEING ELECTRICALLY CONNECTED, THE EXTERIOR SURFACE OF SAID ANODE BEING OF A METAL ANODIC WITH RESPECT TO SAID COMPENSATING ELEMENT TO CATHODICALLY PROTECT THE SAME, AND ELECTRICAL CONDUCTORS CONNECTED TO THE ENDS OF SAID TEST ELEMENT AND TO THE BASE-SUPPORTED END OF SAID COMPENSATING ELEMENT.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |