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Expired Canadian patentCanada

Process of and system for flouring wheat

CA 1310940 C · Owner: Hosaka, Yukio · Inventors: Satake, Toshihiko; Hosaka, Yukio

CIPO record

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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 wheat flouring system comprises a polishing machine for polishing wheat grains, a humidifying machine for humidifying the grains, a conditioning machine for subjecting the grains to conditioning and a milling machine for milling the grains to produce a flour. The polishing machine, the humidifying machine the condi-, tioning machine and the milling machine are successively arranged from an upstream side to a downstream side as viewed in a direction of flow of the wheat grains. There is provided an agitating machine for agitating the grains humidified by the humidifying machine, thereby preventing the humidified grains from sticking together into lumps of the grains.

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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 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 9, 1989
GrantedDecember 1, 1992
Term endedDecember 1, 2009
Patent numberCA 1310940 C
Classification (IPC)B02B1/08 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedJune 9, 1989Patent grantedDec 1, 1992Term endedDec 1, 2009

Sources & verification

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