Coaxial cable
CA 2045209 C · Owner: Yutori, Toshiaki · Inventors: Ohtsu, Shigenobu; Yutori, Toshiaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coaxial cable comprises an inner conductor consisting of a very fine metal wire having a diameter of 120 µm or below and a tensile strength of 100 kg/mm or above, and a plated noble metal layer coating the very fine metal wire, an insulating layer of an insulating material coating the inner conductor, an outer conductor coating the insulating layer, and a jacket coating the outer conductor. In forming the inner conductor, a metal wire is coated with a noble metal layer by plating and then the metal Wire coated with the noble metal layer is subjected to plastic working to reduce the diameter and to improve the structure of the noble metal layer. A high-frequency signal applied to the …
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
- Filed June 21, 1991 and granted February 27, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 21, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 21, 2013.
- 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.