US3376378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication cable
Assignee: Ericsson Inc
•
Filing: 1965-08-02
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Granted: 1968-04-02
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Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Bullock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:49
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/02; H01B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A COMMUNICATION CABLE COMPRISING A PLURALITY OF PAIRS OF INSULATED WIRES, AT LEAST ONE METALLIC SHIELD PROTECTING SAID WIRES AND AN OUTER RESINOUS PLASTIC JACKET COVERING SAID SHIELD, EACH OF SAID WIRES COMPRISING AN ELECTRICAL CONDUCTOR AND AN INSULATION HAVING A THICKNESS OF 3 TO 4 MILS THEREON, SAID COVERING BEING A SHEET IN WEB FORM OF SELF-BONDED CONTINUOUS LENGTHS OF A SUBSTANTIALLY LINEAR POLYETHYLENE FIBER IN MULTI-DIRECTIONAL OVERLAPPING AND INTERACTING ARRANGEMENT THROUGHOUT SAID SHEET PROVIDING A SHEET DENSITY GREATER THAN ABOUT 7 LBS./FT.3 AND A TENSILE STRENGTH ABOVE 0.3LB./IN.//OZ./YD.2, A DIELECTRIC CONSTANT LESS THAN ABOUT 2.0 AND A MUTUAL CAPACITANCE LESS THAN 0.83 UF./MILE AT 1000 C.P.S. FOR A SHEET 3 TO 4 MILS IN THICKNESS, AND SAID FIBER BEING LESS THAN ABOUT 4 MICRONS IN THICKNESS.
Claim 2
Dependent Claim
128 words
A COMMUNICATION CABLE COMPRISING A PLURALITY OF PAIRS OF INSULATED WIRES, AT LEAST ONE METALLIC SHIELD PROTECTING SAID WIRES AND AN OUTER RESINOUS PLASTIC JACKET COVERING SAID SHIELD, EACH OF SAID WIRES COMPRISING AN ELECTRICAL CONDUCTOR AND AN INSULATION HAVING A THICKNESS OF 3 TO 4 MILS THEREON, SAID COVERING BEING A SHEET IN WEB FORM OF SELF-BONDED CONTINUOUS LENGTHS OF A SUBSTANTIALLY LINEAR POLYETHYLENE FIBER IN MULTI-DIRECTIONAL OVERLAPPING AND INTERACTING ARRANGEMENT THROUGHOUT SAID SHEET PROVIDING A SHEET DENSITY GREATER THAN ABOUT 7 LBS./FT.3 AND A TENSILE STRENGTH ABOVE 0.3LB./IN.//OZ./YD.2, A DIELECTRIC CONSTANT LESS THAN ABOUT 2.0 AND A MUTUAL CAPACITANCE LESS THAN 0.83 UF./MILE AT 1000 C.P.S. FOR A SHEET 3 TO 4 MILS IN THICKNESS, AND SAID FIBER BEING LESS THAN ABOUT 4 MICRONS IN THICKNESS.
References Cited (Backward Citations)
CA574562A
Cited
US2589700A
Cited
US2952728A
Cited
US3077510A
Cited
GB932482A
Cited
US3186897A
Cited
GB993920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |