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Expired Canadian patentCanada

Method for the assembly of slim tubes into a plate or a sleeve

CA 1264529 C · Owner: Re, Angel · Inventors: Lagouanelle, Bernard; Baril, Jacques; Re, Angel

CIPO record

Overview

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

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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 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 19, 1984
GrantedJanuary 23, 1990
Term endedJanuary 23, 2007
Patent numberCA 1264529 C
Classification (IPC)B21D39/04 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedOct 19, 1984Patent grantedJan 23, 1990Term endedJan 23, 2007

Sources & verification

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