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Expired Canadian patentCanada

Packed bag cutter

CA 1191444 A · Owner: Orihiro Co. Ltd. · Inventors: Hoshina, Isamu; Shimoyama, Mamoru

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

Title of the Invention: Packed Bag Cutter, Abstract of the Disclosure: A cutter is provided with a pair of squeezing rolls which is oppositely located and horizontally movable, and a pair of heat sealing means which is oppositely located under the squeezing rolls at a distance necessary for heat sealing and horizontally movable. A cutting means is provided immediately underneath the heat sealing means at a distance equivalent to the width of a sealed portion. The pair of squeezing rolls is provided with a means to intermittently rotate the rolls to move a packed bag.

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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 August 6, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 2002.
  • 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 20, 1983
GrantedAugust 6, 1985
Term endedAugust 6, 2002
Patent numberCA 1191444 A
Classification (IPC)B26D1/00

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedApril 20, 1983Patent grantedAug 6, 1985Term endedAug 6, 2002

Sources & verification

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