Graded insulated cable construction and method of overcoming stresses therein
CA 1085474 A · Owner: General Electric Company · Inventors: Singh, Nirmal; Prober, Maurice; Mackenzie, Burton T. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrical cable having an improved graded insulation comprising an elongated metal electrical conductor enclosed within a surrounding composite body of insulation including at least two distinct contiguous layers of polymeric insulation having different specific inductive capitance values arranged about the electrical conductor with the innermost layer of the composite body having the highest specific inductive capacitance and each outwardly successive layer of the composite body of insulation having a progressively decreased specific inductive capacitance values of the innermost layer and of the contiguous layer adjacent thereto of the composite body of insulation being a ratio of less …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.