US3077510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage power cable
Assignee: Anaconda Wire and Cable Co
•
Filing: 1959-06-02
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Granted: 1963-02-12
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Expires: 1979-06-02
Abstract
No abstract record available.
Inventors
- 👤 Walter F Olds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:33
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/06; H01B9/0611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A HIGH VOLTAGE ELECTRIC POWER CABLE COMPRISING A METALLIC CONDUCTOR SURROUNDED BY INSULATION COMPRISING A HELICAL WRAPPING OF POLYETHYLENE TAPES LAID WITH EDGES SPACED SLIGHTLY APART AND HAVING AT LEAST ONE PROVIDED WITH A MULTIPLICITY OF FLUID-PREMEABLE CHANNELS EXTENDING THEREACROSS FROM EDGE TO EDGE AND A DIMETHLY POLYSILOXANE LIQUID HAVING A VISCOSITY, AT 25* C. FROM 0.6 TO 30,000 CENTISTOKES AND A DIELECTRIC CONSTANT FROM ABOUT 2.2 TO ABOUT 2.8 IMPREGNATED INTO A FILLING SAID CHANNELS AND THE SPACE BETWEEN THE TAPES, AND A LEAD SHEATH ENCLOSING SAID INSULATION.
Claim 2
Dependent Claim
89 words
A HIGH VOLTAGE ELECTRIC POWER CABLE COMPRISING A METALLIC CONDUCTOR SURROUNDED BY INSULATION COMPRISING A HELICAL WRAPPING OF POLYETHYLENE TAPES LAID WITH EDGES SPACED SLIGHTLY APART AND HAVING AT LEAST ONE PROVIDED WITH A MULTIPLICITY OF FLUID-PREMEABLE CHANNELS EXTENDING THEREACROSS FROM EDGE TO EDGE AND A DIMETHLY POLYSILOXANE LIQUID HAVING A VISCOSITY, AT 25* C. FROM 0.6 TO 30,000 CENTISTOKES AND A DIELECTRIC CONSTANT FROM ABOUT 2.2 TO ABOUT 2.8 IMPREGNATED INTO A FILLING SAID CHANNELS AND THE SPACE BETWEEN THE TAPES, AND A LEAD SHEATH ENCLOSING SAID INSULATION.
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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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |