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Expired Canadian patentCanada

Method and apparatus for the production of wrapped foods

CA 1069750 A · Owner: Dowa Co. · Inventors: Miyahara, Kingo

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 salt-containing unprocessed foodstuff is charged in a wrapping tube unit comprising a cylindrical body, end plate means consisting of two members bonded to open opposite ends of the cylindrical body and a, pair of electrical contact members previously impregnated with a salt solution and fitted in the end plate means to provide a wrapped material foodstuff. The end plate means may be of any shape and is formed with a multitude of current conducting apertures, at least one of the members having cuts made therein to permit charging of the unprocessed foodstuff in the cylindrical body which may be deformed to conform to the shape of the end plate means. The apparatus for producing a wrapped …

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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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 15, 1980
Term endedJanuary 15, 1997
Patent numberCA 1069750 A
Classification (IPC)A23L3/32 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJan 15, 1980Term endedJan 15, 1997

Sources & verification

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