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Expired Canadian patentCanada

Can stuffer and method

CA 1205055 A · Owner: Enviro-Spray Systems Incorporated · Inventors: Bittner, Norman

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A can stuffer and method of stuffing a can with a flexible sheet product by placing the product in a generally flat receiver chamber and pushing the product edgewise to crowd the product into one edge region of the chamber by forming longitudinal folds or creases in the product to effectively reinforce and strengthen the product in the direction of the folds, and endwise ejecting or ramming the strengthened folded or creased product from the chamber into a container or can.

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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 May 27, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 7, 1983
GrantedMay 27, 1986
Term endedMay 27, 2003
Patent numberCA 1205055 A
Classification (IPC)B65B61/00 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 7, 1983Patent grantedMay 27, 1986Term endedMay 27, 2003

Sources & verification

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