US3364422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining the power of metal corrosion having a probing rod adapted at its probing end to fix a test material
Assignee: CONTRE LA CORROSION SOC ET
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Filing: 1963-10-16
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Granted: 1968-01-16
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Heuze Bernard Marie Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:08
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/04; G; G01; G01N; G01N17/00; G01N17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A DEVICE FOR DETERMINING IN COMBINATION WITH A POTENTIOSTAT BY THE POTENTIOKINETIC METHOD APPLIED IN SITU, THE POWER OF CORROSIVE ATTACK OF AN AMBIENT ENVIRONMENT ON A METAL MATERIAL, SAID DEVICE COMPRISING A PROBING ROD HAVING A LONGITUDINAL BORE AND COMPRISING MEANS AT ITS PROBING END FOR REMOVABLY HOLDING IN ELECTRICAL CONTACT WITH SAID ENVIRONMENT A SAMPLE OF THE MATERIAL TO BE STUDIED WHICH HAS A BORE COAXIAL WITH THAT OF THE SAID PROBING ROD, A FIRST ELECTRICALLY CONDUCTING PATH INSULATED FROM SAID ENVIRONMENT BETWEEN SAID SAMPLE AND SAID POTENTIOSTAT, A REFERENCE ELECTRODE DIMENSIONED TO BE INSERTED IN SAID BORES THROUGH THE END OF SAID PROBING ROD REMOTE FROM SAID PROBING END UNTIL ITS SENSING PART IS POSITIONED AT SAID PROBING END IN CONTACT WITH SAID ENVIRONMENT IN THE IMMEDIATE VICINITY OF BUT INSULATED FROM SAID SAMPLE, AND A SECOND INSULATED ELECTRICALLY CONDUCTING PATH BETWEEN SAID REFERENCE ELECTRODE AND SAID POTENTIOSTAT, SAID BORES BEING LINED WITH AN ELECTRICAL INSULATOR AND THE EXTERNAL SURFACE OF THE PROBING ROD AND OF THE SAMPLE, WITH THE EXCEPTION OF AN EXACTLY MEASURED SECTION OF THE SAMPLE, BEING LIKEWISE COVERED WITH AN ELECTRICAL INSULATOR.
Claim 2
Independent Claim
189 words
A DEVICE FOR DETERMINING IN COMBINATION WITH A POTENTIOSTAT BY THE POTENTIOKINETIC METHOD APPLIED IN SITU, THE POWER OF CORROSIVE ATTACK OF AN AMBIENT ENVIRONMENT ON A METAL MATERIAL, SAID DEVICE COMPRISING A PROBING ROD HAVING A LONGITUDINAL BORE AND COMPRISING MEANS AT ITS PROBING END FOR REMOVABLY HOLDING IN ELECTRICAL CONTACT WITH SAID ENVIRONMENT A SAMPLE OF THE MATERIAL TO BE STUDIED WHICH HAS A BORE COAXIAL WITH THAT OF THE SAID PROBING ROD, A FIRST ELECTRICALLY CONDUCTING PATH INSULATED FROM SAID ENVIRONMENT BETWEEN SAID SAMPLE AND SAID POTENTIOSTAT, A REFERENCE ELECTRODE DIMENSIONED TO BE INSERTED IN SAID BORES THROUGH THE END OF SAID PROBING ROD REMOTE FROM SAID PROBING END UNTIL ITS SENSING PART IS POSITIONED AT SAID PROBING END IN CONTACT WITH SAID ENVIRONMENT IN THE IMMEDIATE VICINITY OF BUT INSULATED FROM SAID SAMPLE, AND A SECOND INSULATED ELECTRICALLY CONDUCTING PATH BETWEEN SAID REFERENCE ELECTRODE AND SAID POTENTIOSTAT, SAID BORES BEING LINED WITH AN ELECTRICAL INSULATOR AND THE EXTERNAL SURFACE OF THE PROBING ROD AND OF THE SAMPLE, WITH THE EXCEPTION OF AN EXACTLY MEASURED SECTION OF THE SAMPLE, BEING LIKEWISE COVERED WITH AN ELECTRICAL INSULATOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |