Screen for communications cables
CA 1259464 A · Owner: Millennium Petrochemicals, Inc. · Inventors: Shida, Mitsuzo; Zeitlin, Robert J.; Machonis, John Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Improved- electrical cable constructions such as communication cables, is provided wherein a metallic screen is coated, with a protective coating which comprises a layer of a polymer selected for its properties of high flexural modulus, high tensile strength and high melting point and an adhesive layer comprising a random, block or graft copolymer of an olefin and a polymerizable ethylenically, unsaturated carboxylic acid acid anhydride or deriva-, tive. Optionally the adhesive layer may comprise a, blend of the copolymer and a polyolefin.
Read the whole patent
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 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 19, 2006.
- 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.