Patent US3112356A successfully refreshed from Google Patents.
US3112356A
Expired / Lapsed
US
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Benzoic acid ester dielectric compositions and electrical apparatus in combination therewith
Assignee: EIDP Inc
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Filing: 1961-04-28
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Granted: 1963-11-26
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Cohen Werner Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:18
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; H01G4/221; H01G4/222; H01B; H01B3/00; H01B3/18; H01B3/48; H01B3/485
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
55 words
ELECTRICAL APPARATUS COMPRISING, IN COMBINATION, METALLIC CONDUCTING ELEMENTS DISPOSED IN SPACED RELATIONSHIP TO EACH OTHER AND ADAPTED DURING OPERATION OF SAID APPARATUS TO HAVE A DIFFERENCE IN ELECTRICAL POTENTIAL THEREBETWEEN, AND INTERPOSED BETWEEN SAID ELEMENTS FOR INSULATING ONE FROM THE OTHER, A DIELECTRIC MATERIAL CONSISTING ESSENTIALLY OF AN ORTHO-SUBSTITUTED BENZOIC ACID ESTER OF THE FORMULA
Claim 2
Dependent Claim
55 words
ELECTRICAL APPARATUS COMPRISING, IN COMBINATION, METALLIC CONDUCTING ELEMENTS DISPOSED IN SPACED RELATIONSHIP TO EACH OTHER AND ADAPTED DURING OPERATION OF SAID APPARATUS TO HAVE A DIFFERENCE IN ELECTRICAL POTENTIAL THEREBETWEEN, AND INTERPOSED BETWEEN SAID ELEMENTS FOR INSULATING ONE FROM THE OTHER, A DIELECTRIC MATERIAL CONSISTING ESSENTIALLY OF AN ORTHO-SUBSTITUTED BENZOIC ACID ESTER OF THE FORMULA
Claim 3
Dependent Claim
14 words
A DIELECTRIC COMPOSITION CONSISTING ESSENTIALLY OF (1) A DIELECTRIC MATERIAL REPRESENTED BY THE FORMULA
Claim 4
Dependent Claim
14 words
A DIELECTRIC COMPOSITION CONSISTING ESSENTIALLY OF (1) A DIELECTRIC MATERIAL REPRESENTED BY THE FORMULA
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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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |