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Expired Canadian patentCanada

Process of and system for flouring grains

CA 1331982 C · Owner: Satake Engineering Co. Ltd. · Inventors: Satake, Toshihiko

CIPO record

Overview

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

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Abstract From the Canadian patent

A grain flouring system includes a polishing machine for polishing grains, and roll mills and sifters for repeatedly mill and sift the polished grains to provide a flour having a desired mesh size. A moisture adding device is provided for adding moisture to the grains milled in at least one of the roll mills thereby, maintaining the grains in a suitably moistened condition during the milling operation.

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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 September 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 13, 2011.
  • 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 24, 1989
GrantedSeptember 13, 1994
Term endedSeptember 13, 2011
Patent numberCA 1331982 C
Classification (IPC)B02B5/00 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedApril 24, 1989Patent grantedSep 13, 1994Term endedSep 13, 2011

Sources & verification

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