US3361871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone cable construction
Assignee: BARCLAYSAMERICAN/BUSINESS CREDIT Inc
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Filing: 1965-08-19
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Granted: 1968-01-02
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Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Adolf W Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:41
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/36; H01B7/361; H01B11/00; H01B11/002; H01B3/00; H01B3/18; H01B3/30; H01B3/308
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A WIRE PAIR HAVING LOW EFFECTIVE DIELECTRIC CONSTANT AND WHICH FACILITATES CONDCTORS IDENTIFICATION IN COMMUNICATION CABLE CONSTRUCTIONS COMPRISING: (A) A PAIR OF ELECTRICAL CONDUCTORS; (B) A BASE LAYER OF ELECTRICAL INSULATING MATERIAL OF RELATIVELY LOW DIELECTRIC CONSTANT SURROUNDING EACH SAID CONDUCTOR; (C) A WEB OF THE MATERIAL OF SAID BASE L AYER (A) SPACED AWAY FROM THE CLOSEST ADJACENT PORTIONS OF SAID CONDUCTORS, AND (B) SERVING TO HOLD SAID CONDUCTOR TOGETHER; AND (D) A COAT LAYER OF ELECTRICAL INSULATING MATERIAL OF A HIGHER DIELECTRIC CONSTANT SURROUNDING AT LEAST ONE OF SAID CONDUCTORS AND THE BASE LAYER OF ELECTRICAL INSULATING MATERIAL THEREON, (A) SAID COAT LAYER HAVING A DIFFERENT APPEARANCE THAN SAID BASE LAYER.
Claim 2
Dependent Claim
113 words
A WIRE PAIR HAVING LOW EFFECTIVE DIELECTRIC CONSTANT AND WHICH FACILITATES CONDCTORS IDENTIFICATION IN COMMUNICATION CABLE CONSTRUCTIONS COMPRISING: (A) A PAIR OF ELECTRICAL CONDUCTORS; (B) A BASE LAYER OF ELECTRICAL INSULATING MATERIAL OF RELATIVELY LOW DIELECTRIC CONSTANT SURROUNDING EACH SAID CONDUCTOR; (C) A WEB OF THE MATERIAL OF SAID BASE L AYER (A) SPACED AWAY FROM THE CLOSEST ADJACENT PORTIONS OF SAID CONDUCTORS, AND (B) SERVING TO HOLD SAID CONDUCTOR TOGETHER; AND (D) A COAT LAYER OF ELECTRICAL INSULATING MATERIAL OF A HIGHER DIELECTRIC CONSTANT SURROUNDING AT LEAST ONE OF SAID CONDUCTORS AND THE BASE LAYER OF ELECTRICAL INSULATING MATERIAL THEREON, (A) SAID COAT LAYER HAVING A DIFFERENT APPEARANCE THAN SAID BASE LAYER.
References Cited (Backward Citations)
US2916055A
Cited
US3102160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |