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Expired Canadian patentCanada

Method of producing superconducting wire

CA 1325102 C · Owner: Ohmatsu, Kazuya · Inventors: Gotoh,Tomoji; Ohmatsu, Kazuya; Yamauchi, Kazuhisa

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Abstract From the Canadian patent

The present invention relates to a method of producing a superconducting wire and provides a method of producing a superconducting wire and further a composite superconducting wire consisting of a usual conductor and a superconductor having a high superconducting critical temperature capable of being applied in remarkably many fields such as an electric power field, such as MHD generation of electricity transmission of electric power and storage of electric power, power field, such as magnetic levitation train and electro-magnetic propelling ship, and instrumental field, such as NMR, ?-meson medical treatment and high-energy physics experimental apparatus as a supersensitive sensor for a …

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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 December 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 29, 1988
GrantedDecember 14, 1993
Term endedDecember 14, 2010
Patent numberCA 1325102 C
Classification (IPC)H01L39/24

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMarch 29, 1988Patent grantedDec 14, 1993Term endedDec 14, 2010

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.