US3259688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage insulated electrical cable with layer of irradiated semiconductive ethylene copolymer
Assignee: General Electric Co
•
Filing: 1964-01-02
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Granted: 1966-07-05
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Allen N Towne
- 👤 Robert A Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:32
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/02; H01B9/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A HIGH VOLTAGE ELECTRICAL CABLE HAVING A CONDUCTOR SURROUNDED BY A COMPOSITE INSULATION COMPRISING A FIRST TAPED LAYER OF IRRADIATED SEMICONDUCTIVE MATERIAL COMPRISING A COPOLYMER OF ETHYLENE AND A MONO-UNSATURATED MATERIAL SELECTED FROM VINYL MATERIALS, ACRYLATE MATERIALS AND OLEFINS AND MIXTURES THEREOF FILLED WITH CONDUCTIVE MATERIAL AND A SECOND EXTRUDED LAYER OF GROUND INSULATION COMPRISING A POLYOLEFIN.
Claim 2
Dependent Claim
57 words
A HIGH VOLTAGE ELECTRICAL CABLE HAVING A CONDUCTOR SURROUNDED BY A COMPOSITE INSULATION COMPRISING A FIRST TAPED LAYER OF IRRADIATED SEMICONDUCTIVE MATERIAL COMPRISING A COPOLYMER OF ETHYLENE AND A MONO-UNSATURATED MATERIAL SELECTED FROM VINYL MATERIALS, ACRYLATE MATERIALS AND OLEFINS AND MIXTURES THEREOF FILLED WITH CONDUCTIVE MATERIAL AND A SECOND EXTRUDED LAYER OF GROUND INSULATION COMPRISING A POLYOLEFIN.
References Cited (Backward Citations)
GB450805A
Cited
US3097150A
Cited
GB861839A
Cited
US2953541A
Cited
US2953551A
Cited
US3029230A
Cited
US3100136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |