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Expired Canadian patentCanada

Printing apparatus and method

CA 836777 A · Owner: Park, Jacob J. H. · Inventors: Park, Jacob J. H.

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 March 10, 1970. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 1987.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 23, 1966
GrantedMarch 10, 1970
Term endedMarch 10, 1987
Patent numberCA 836777 A
Classification (IPC)G06F3/00 +1 more

Timeline

Timeline From CIPO dates

1967197019731976197919821985Application filedSep 23, 1966Patent grantedMarch 10, 1970Term endedMarch 10, 1987

Sources & verification

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