US3078333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage power cable
Assignee: —
•
Filing: —
•
Granted: 1963-02-19
•
Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:53
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; H01B3/48; H01B3/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A HIGH VOLTAGE ELECTRIC POWER CABLE COMPRISING A METALLIC CONDUCTOR SURRONDED BY INSULATION COMPRISING AN OIL-PREMEABLE HELICA WRAPPING OF A COMPOSITE LAMINATED DIELECTRIC TAPE AND A DIELECTRIC CABLE OIL IMPREGNATED INTO SAID FILLING THE PORES AND INTERSTICES OF THE WARAPPING, THE COMPOSITE DIELECTRIC TAPE CONSISTING ESSENTIALLY OF A THIN POROUS SHEEET OF CELLULOSIC PAPER LAMINATED TO AN IMPREVIOUS FILM OF A NORMALLY SOLID POLYMER OF THE GROUP CONSISTING OF POLYTETRAFLUOROETHYLENE, POLYPROPYLENE, POLYCARBONATES, POLYETHYLENE, AND INTERPOLYMERS AND COPOLY-
Claim 2
Dependent Claim
77 words
A HIGH VOLTAGE ELECTRIC POWER CABLE COMPRISING A METALLIC CONDUCTOR SURRONDED BY INSULATION COMPRISING AN OIL-PREMEABLE HELICA WRAPPING OF A COMPOSITE LAMINATED DIELECTRIC TAPE AND A DIELECTRIC CABLE OIL IMPREGNATED INTO SAID FILLING THE PORES AND INTERSTICES OF THE WARAPPING, THE COMPOSITE DIELECTRIC TAPE CONSISTING ESSENTIALLY OF A THIN POROUS SHEEET OF CELLULOSIC PAPER LAMINATED TO AN IMPREVIOUS FILM OF A NORMALLY SOLID POLYMER OF THE GROUP CONSISTING OF POLYTETRAFLUOROETHYLENE, POLYPROPYLENE, POLYCARBONATES, POLYETHYLENE, AND INTERPOLYMERS AND COPOLY-
References Cited (Backward Citations)
CA456139A
Cited
GB355291A
Cited
GB439345A
Cited
US2135315A
Cited
US2309992A
Cited
US2320922A
Cited
US2314694A
Cited
US2454625A
Cited
US2650261A
Cited
GB773563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |