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Expired Canadian patentCanada

Sawing machine

CA 1318223 C · Owner: Rautio, Kauko · Inventors: Rautio, Kauko

CIPO record

Overview

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

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Abstract From the Canadian patent

Sawing machine for the sawing of boards or equivalent from logs , said machine consisting of log feeding devices chipping cutter heads for chipping the log surface, and disc saw units for sawing the logs in the lengthwise direction, the axle sets of said disc saw units being located on opposite sides of the log each, of said disc saw units comprising at least one disc saw blade and one or more chipper edgers for chipping the board to the right width, in which units the disc saw blades and the chipper edgers, respectively placed on, opposite sides of the log are mutually aligned relative to the lateral direction of the log, the sawing machine being provided with divider blades , placed after …

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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 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 9, 1989
GrantedMay 25, 1993
Term endedMay 25, 2010
Patent numberCA 1318223 C
Classification (IPC)B27B7/04 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMay 9, 1989Patent grantedMay 25, 1993Term endedMay 25, 2010

Sources & verification

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