US3096478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus with conductive gas electrodes for detecting non-uniformity in electrically insulating and electrically semi-conducting materials
Assignee: Okonite Co
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Filing: 1959-08-18
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Granted: 1963-07-02
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Expires: 1979-08-18
Abstract
No abstract record available.
Inventors
- 👤 George A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:06
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/50; G01R31/58; G01R31/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
APPARATUS FOR DETECTING DEAD LEAKS IN THE INSULATING AND SEMI-CONDUCTING COVERINGS OF CONDUCTORS, SAID APPARATUS COMPRISING, IN COMBINATION, AN ELECTRODE OF CONDUCTING GAS; MEANS FOR ADVANCING A GROUNDED, COVERED CONDUCTOR THROUGH THE GAS OF SAID ELECTRODE, PROGRESSIVELY TO EFFECT CONTACT OF THE CONDUCTING GAS WITH THE ENTIRE SURFACE OF THAT PORTION OF THE CONDUCTOR COVERING WHICH AT ANY INSTANT IS WITHIN THE ELECTRODE; A SOURCE OF ELECTRICAL ENERGY ELECTRICALLY CONNECTED TO SAID ELECTRODE FOR MAINTAINING A CONSTANT POTENTIAL DIFFERENCE BETWEEN SAID ELECTRODE AND GROUNDED CONDUCTOR; AND MEANS IN THE CIRCUIT THUS PROVIDED FOR MEASURING THE CURRENT FLOWING FROM SAID ENERGY SOURCE THROUGH SAID ELECTRODE AND SAID CONDUCTOR.
Claim 2
Dependent Claim
107 words
APPARATUS FOR DETECTING DEAD LEAKS IN THE INSULATING AND SEMI-CONDUCTING COVERINGS OF CONDUCTORS, SAID APPARATUS COMPRISING, IN COMBINATION, AN ELECTRODE OF CONDUCTING GAS; MEANS FOR ADVANCING A GROUNDED, COVERED CONDUCTOR THROUGH THE GAS OF SAID ELECTRODE, PROGRESSIVELY TO EFFECT CONTACT OF THE CONDUCTING GAS WITH THE ENTIRE SURFACE OF THAT PORTION OF THE CONDUCTOR COVERING WHICH AT ANY INSTANT IS WITHIN THE ELECTRODE; A SOURCE OF ELECTRICAL ENERGY ELECTRICALLY CONNECTED TO SAID ELECTRODE FOR MAINTAINING A CONSTANT POTENTIAL DIFFERENCE BETWEEN SAID ELECTRODE AND GROUNDED CONDUCTOR; AND MEANS IN THE CIRCUIT THUS PROVIDED FOR MEASURING THE CURRENT FLOWING FROM SAID ENERGY SOURCE THROUGH SAID ELECTRODE AND SAID CONDUCTOR.
References Cited (Backward Citations)
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Cited
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Cited
US2395623A
Cited
US2576616A
Cited
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Cited
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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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |