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Expired Canadian patentCanada

Method of controlling the quality of dough during its processing

CA 2031962 C · Owner: Rheon Automatic Machinery Co. Ltd. · Inventors: Ozawa, Toshiichi; Ban, Nobuo

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 method is provided of controlling the quality of dough during its processing, in which the physical properties of portions of a dough strip being continuously fed are automatically and continuously measured to obtain the, specific gravity, calculated from the dimensional and weight data, of each of the portions of the dough strip so that the dimensional data and specific gravity can be used for processing the dough mass and for formulating raw materials for the next lot to be produced and in, which method, based on the obtained specific gravity the, thickness of a dough piece having a uniform top surface area to be stamped out by a puncher is automatically calculated by a computer and an …

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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 December 11, 1990 and granted January 2, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 11, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 11, 1990
GrantedJanuary 2, 1996
Term endedDecember 11, 2010
Patent numberCA 2031962 C
Classification (IPC)G05D11/13 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedDec 11, 1990Patent grantedJan 2, 1996Term endedDec 11, 2010

Sources & verification

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