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Expired Canadian patentCanada

Fan-shaped loader for making a loosely felted mat of aligned wood flakes

CA 1211350 A · Owner: Board Of Control Of Michigan Technological University · Inventors: Adams, Roy D.; Krueger, Gordon P.; Lund, Anders E.

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

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Abstract From the Canadian patent

Apparatus for forming an elongated continuous mat of elongated wood flakes mixed with a binder and adapted to be compressed to form a densified composite wood product for continuously depositing wood flakes on that supporting surface and for aligning the elongated wood flakes being deposited in mutually parallel relation and in alignment with the direction of movement of the supporting surface. A hopper for containing wood flakes deposits wood flakes into the upper end of a fan-shaped flake loader comprised of a plurality of channels positioned in side-by-side relation and sloping downwardly from the hopper to a supporting surface. The channels are generally V-shaped in cross-section and …

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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 September 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 5, 1983
GrantedSeptember 16, 1986
Term endedSeptember 16, 2003
Patent numberCA 1211350 A
Classification (IPC)B32B21/02 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedApril 5, 1983Patent grantedSep 16, 1986Term endedSep 16, 2003

Sources & verification

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