Patent US1138449A successfully refreshed from Google Patents.
Patent US3278455A successfully refreshed from Google Patents.
US3278455A
Expired / Lapsed
US
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Electrically conductive resin compositions and articles coated therewith
Assignee: Westinghouse Electric Corp
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Filing: 1962-01-30
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Granted: 1966-10-11
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Expires: 1982-01-30
Abstract
No abstract record available.
Inventors
- 👤 Landis E Feather
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:05
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
98 words
A COMPOSITION ADAPTED TO PROVIDE AN ELECTRICALLY CONDUCTIVE RESINOUS SOLID COMPRISING AN INTIMATE ADMIXTURE OF AN EPOXY RESIN, UP TO ABOUT 85%, BASED ON THE WEIGHT OF THE COMPOSITION OF A PARTICULATED METALLIC FILLER MATERIAL SELECTED FROM THE GROUP CONSISITNG OF OXIDE COATED COPPER, OXIDE COATED COPPER ALLOYS AND MIXTURES THEREOF, AND A CURING AGENT FOR SAID RESIN SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE TRIAMINE, TRIETHYLENE TETRAMINE AND DIETHYLAMINO PROPLY AMINE IN AN AMOUNT OF FROM ABOUT 50% TO ABOUT 200% BY WEIGHT IN EXCESS OF THAT NECESSARY OF CURE SAID RESIN TO ITS SOLID INFUSIBLE STATE
Claim 2
Dependent Claim
98 words
A COMPOSITION ADAPTED TO PROVIDE AN ELECTRICALLY CONDUCTIVE RESINOUS SOLID COMPRISING AN INTIMATE ADMIXTURE OF AN EPOXY RESIN, UP TO ABOUT 85%, BASED ON THE WEIGHT OF THE COMPOSITION OF A PARTICULATED METALLIC FILLER MATERIAL SELECTED FROM THE GROUP CONSISITNG OF OXIDE COATED COPPER, OXIDE COATED COPPER ALLOYS AND MIXTURES THEREOF, AND A CURING AGENT FOR SAID RESIN SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE TRIAMINE, TRIETHYLENE TETRAMINE AND DIETHYLAMINO PROPLY AMINE IN AN AMOUNT OF FROM ABOUT 50% TO ABOUT 200% BY WEIGHT IN EXCESS OF THAT NECESSARY OF CURE SAID RESIN TO ITS SOLID INFUSIBLE STATE
Claim 3
Dependent Claim
23 words
A TRANSFORMER STATIC PLATE COMPRISING AN INSULATING SHEET MATERIAL, AN ADHERENT ELECTRICALLY CONDUCTIVE RESINOUS COATING MATERIAL DEPOSITED ON THE SHEET, SAID COATING MATE-
Claim 4
Dependent Claim
23 words
A TRANSFORMER STATIC PLATE COMPRISING AN INSULATING SHEET MATERIAL, AN ADHERENT ELECTRICALLY CONDUCTIVE RESINOUS COATING MATERIAL DEPOSITED ON THE SHEET, SAID COATING MATE-
References Cited (Backward Citations)
US2795680A
Cited
US2825702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |