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Expired Canadian patentCanada

Installation construction method for boiler facilities

CA 2560151 C · Owner: Kawashima, Yasuaki · Inventors: Kawashima, Hiroki; Tatehira, Kazuki; Masaki, Toshihiro

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Abstract From the Canadian patent

An installation construction method is provided for boiler facilities in which the boiler facilities include a boiler building configured of a steel structure a boiler main unit to be installed within the boiler building various types of equipment to be installed to the boiler main unit and accessory members which are accessory thereto. During construction of the boiler building the various types of equipment and the accessory members are carried into the boiler building and installed.

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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 September 19, 2006 and granted November 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 19, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 19, 2006
GrantedNovember 18, 2014
Term endedSeptember 19, 2026
Patent numberCA 2560151 C
Classification (IPC)F22B33/00 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedSep 19, 2006Patent grantedNov 18, 2014Term endedSep 19, 2026

Sources & verification

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