US3865972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonmetallic sheathed cable
Assignee: Ericsson Inc
•
Filing: 1974-02-22
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Granted: 1975-02-11
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Expires: 1994-02-22
Abstract
Abstract A nonmetallic sheathed cable with a bare grounding conductor has a U-shaped paper separator surrounding the bare conductor on three sides only, the bare conductor is in direct contact with a shallow depression in the jacket on the fourth side.
Inventors
- 👤 Walter R Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:50
CPC Classifications
H; H01; H01B; H01B9/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
95 words
A NONMETALLIC SHEATHED CABLE COMPRISING: A. TWO PARALLEL INSULATED CONDUCTORS, B. A BARE CONDUCTOR LAID PARALLEL BETWEEN SAID TWO CONDUCTORS, C. A PAPER SEPARATOR PARTIALLY ENCLOSING SAID BARE CONDUCTOR, SAID SEPARATOR, A. SURROUNDING SAID BARE CONDUCTOR ON THREE SIDES, TWO OF SAID SIDES FACING SAID INSULATED CONDUCTORS, AND B. OPENING AWAY FROM SAID BARE CONDUCTORS ON FOURTH SIDE THEREOF SO AS TO FOLD SLIGHTLY AROUND SAID INSULATED CONDUCTORS, D. AN EXTRUDED POLYMERIC JACKET SURROUNDING SAID CONDUCTORS, SAID JACKET COMPRISING A LENGTHWISE GROOVE AND SAID BARE CONDUCTOR FITTING DIRECTLY INTO SAID GROOVE ON SAID FOURTH SIDE.
Claim 2
Dependent Claim
95 words
A NONMETALLIC SHEATHED CABLE COMPRISING: A. TWO PARALLEL INSULATED CONDUCTORS, B. A BARE CONDUCTOR LAID PARALLEL BETWEEN SAID TWO CONDUCTORS, C. A PAPER SEPARATOR PARTIALLY ENCLOSING SAID BARE CONDUCTOR, SAID SEPARATOR, A. SURROUNDING SAID BARE CONDUCTOR ON THREE SIDES, TWO OF SAID SIDES FACING SAID INSULATED CONDUCTORS, AND B. OPENING AWAY FROM SAID BARE CONDUCTORS ON FOURTH SIDE THEREOF SO AS TO FOLD SLIGHTLY AROUND SAID INSULATED CONDUCTORS, D. AN EXTRUDED POLYMERIC JACKET SURROUNDING SAID CONDUCTORS, SAID JACKET COMPRISING A LENGTHWISE GROOVE AND SAID BARE CONDUCTOR FITTING DIRECTLY INTO SAID GROOVE ON SAID FOURTH SIDE.
Claim 3
Dependent Claim
14 words
The cable of claim 1 wherein said separator comprises at least three layer thicknesses.
Claim 4
Dependent Claim
11 words
The cable of claim 1 wherein said jacket comprises polyvinyl chloride.
Claim 5
Dependent Claim
15 words
The cable of claim 1 wherein said insulated conductors comprise insulating walls of polyvinyl chloride.
Claim 6
Dependent Claim
11 words
The cable of claim 1 wherein said bare conductor comprises copper.
Claim 7
Dependent Claim
11 words
The cable of claim 5 wherein said insulated conductors comprise copper.
Claim 8
Dependent Claim
11 words
The cable of claim 1 wherein said insulated conductors comprise aluminum.
References Cited (Backward Citations)
US1837795A
Cited
US3800065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |