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Expired Canadian patentCanada

Apparatus for machining logs

CA 965686 A · Owner: Fell, Charles R. · Inventors: Fell, Charles R.

CIPO record

Overview

Drawings and full text

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 April 8, 1975. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 1992.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 15, 1972
GrantedApril 8, 1975
Term endedApril 8, 1992
Patent numberCA 965686 A
Classification (IPC)B27C9/00 +1 more

Timeline

Timeline From CIPO dates

1973197519771979198119831985198719891991Application filedDec 15, 1972Patent grantedApril 8, 1975Term endedApril 8, 1992

Sources & verification

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