Patent US3480120A successfully refreshed from Google Patents.
Patent US3194872A successfully refreshed from Google Patents.
US3194872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper and polyolefin power cable insulation
Assignee: General Cable Corp
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Filing: 1963-04-23
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Granted: 1965-07-13
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Expires: 1983-04-23
Abstract
No abstract record available.
Inventors
- 👤 Oscar G Garner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:07
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/08; B; B32; B32B; B32B27/00; H01B13/30; H01B3/00; H01B3/008; H01B7/00; H01B7/02; H01B7/0208; H01B7/0225; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
21 words
AN ELECTRIC INSULATING WRAPPING MATERIAL COMPRISING INTERLEAVED LAYERS OF CELLULOSIC PAPER AND POLYOLEFIN BONDED TOGETHER, THE OUTSIDE LAYERS BOTH BEING PAPER.
Claim 2
Dependent Claim
21 words
AN ELECTRIC INSULATING WRAPPING MATERIAL COMPRISING INTERLEAVED LAYERS OF CELLULOSIC PAPER AND POLYOLEFIN BONDED TOGETHER, THE OUTSIDE LAYERS BOTH BEING PAPER.
Claim 3
Dependent Claim
91 words
AN ELECTRIC POWER CABLE COMPRISING A CONDUCTOR SURROUNDED BY A PLURALITY OF OVERLYING HELICAL WRAPPINGS OF DIELECTRIC TAPES LAID WITH THE EDGES OF ADJACENT TURNS OF A WRAPPING SPACED SLIGHTLY FROM EACH OTHER, AN IMPERVIOUS ENCLOSURE FOR THE INSULATED CONDUCTOR, AND A DIELECTRIC FLUID UNDER PRESSURE FILLING THE ENCLOSURE, CHARACTERIZED BY THE FACT THAT THE DIELECTRIC TAPES ARE COMPOSITE CELLULOSIC PAPER AND POLYOLEFIN TAPES COMPRISING TWO LAYERS OF PAPER AND AN INTERPOSED LAYER OF POLYOLEFIN, THE SAID LAYERS MAKING UP A TAPE BEING COEXTENSIVE AND BEING BONDED TOGETHER THROUGHOUT THEIR EXTENT.
Claim 4
Dependent Claim
91 words
AN ELECTRIC POWER CABLE COMPRISING A CONDUCTOR SURROUNDED BY A PLURALITY OF OVERLYING HELICAL WRAPPINGS OF DIELECTRIC TAPES LAID WITH THE EDGES OF ADJACENT TURNS OF A WRAPPING SPACED SLIGHTLY FROM EACH OTHER, AN IMPERVIOUS ENCLOSURE FOR THE INSULATED CONDUCTOR, AND A DIELECTRIC FLUID UNDER PRESSURE FILLING THE ENCLOSURE, CHARACTERIZED BY THE FACT THAT THE DIELECTRIC TAPES ARE COMPOSITE CELLULOSIC PAPER AND POLYOLEFIN TAPES COMPRISING TWO LAYERS OF PAPER AND AN INTERPOSED LAYER OF POLYOLEFIN, THE SAID LAYERS MAKING UP A TAPE BEING COEXTENSIVE AND BEING BONDED TOGETHER THROUGHOUT THEIR EXTENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |