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Expired Canadian patentCanada

Packing container provided with a reclosable opening arrangement

CA 1284301 C · Owner: Lagerstedt, Jan · Inventors: Martensson, Kjell; Lagerstedt, Jan

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 packing container provided with an opening arrangement which comprises a hole included in the container wall and weakenings designed and located so that the wall section between the weakenings forms a tongue projecting into the hole the hole being closed by a cover strip fitted over the hole and sealed to the container wall.

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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 21, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 21, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 25, 1987
GrantedMay 21, 1991
Term endedMay 21, 2008
Patent numberCA 1284301 C
Classification (IPC)B65D17/50 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedMarch 25, 1987Patent grantedMay 21, 1991Term endedMay 21, 2008

Sources & verification

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