Coating of a superconductor
CA 2284782 A1 · Owner: Han, Zhenghe · Inventors: Han, Zhenghe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method of manufacturing a superconducting length of wire, comprising at least insertion of a superconducting base material into a tube of metal, packing or coiling of the metallic tube in such a manner that a first part of the outer surface of the tube contacts a second part of the surface of the tube, heating of the tube filled with the superconducting base material to a temperature close to the melting temperature of the metal tube so as to form the superconducting phase in the base material. In the method, the tube of metal before being packed or , coiled, is provided with a coating on at least the first and second parts of the outer surface of …
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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
- Filed March 25, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 25, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2020.
- 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.