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Canadian application, no grantCanada

Device for heating fluid controller

CA 2235169 A1 · Owner: Ikeda, Nobukazu · Inventors: Ikeda, Nobukazu; Minami, Yukio; Tanigawa, Tsutomu

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A device for heating a fluid controller comprises a pair of platelike side heaters pressed respectively against a pair of opposite side faces of a body of the fluid controller with an insulating layer provided between each heater and each side face a pair of side, holding members each having a recessed portion for fitting the side heater therein and fastened to each other with screws to hold the controller body therebetween from opposite sides of the body and a, cushion member interposed between each side heater and a bottom face of the recessed portion for pressing the side heater against the controller body side face.

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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 April 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 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.
FiledApril 17, 1998
GrantedNo grant recorded
Term endedApril 17, 2018
Patent numberCA 2235169 A1
Classification (IPC)F16K49/00

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedApril 17, 1998Term endedApril 17, 2018

Sources & verification

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