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Expired Canadian patentCanada

Method of carrying out the drying of wooden objects

CA 1188888 A · Owner: Aktiebolaget Edane Komponenter · Inventors: Risman, Per O. G.; Iverlund, Bertil G.; Uddborn, Hans G.

CIPO record

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

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Abstract From the Canadian patent

A method of drying wooden objects according to the invention shall be carried out in a closed treatment room with a supply of microwave effect which heats the objects stacked in a unit so that the moisture is pressed out and removed. Each unit is positioned in a cover of a heat insulation stuff which prevents cooling of the wooden objects by the air circulation in the room.

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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 June 18, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 7, 1982
GrantedJune 18, 1985
Term endedJune 18, 2002
Patent numberCA 1188888 A
Classification (IPC)F26B19/00 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedJuly 7, 1982Patent grantedJune 18, 1985Term endedJune 18, 2002

Sources & verification

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