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Expired Canadian patentCanada

Process for making an electrically conductive pattern on insulating surface of complex form

CA 1310175 C · Owner: Societe Anonyme Dite : Aerospatiale Societe Nationale Industrielle · Inventors: Clariou, Jean-Pierre

CIPO record

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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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 22, 1988
GrantedNovember 17, 1992
Term endedNovember 17, 2009
Patent numberCA 1310175 C
Classification (IPC)H05K3/02 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedAug 22, 1988Patent grantedNov 17, 1992Term endedNov 17, 2009

Sources & verification

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