Saw blade and cut tree collecting and bunching means useful in the continuous harvesting of trees
CA 1111331 A · Owner: Prince Albert Pulpwood Limited · Inventors: Hyde, Bruce; Mellgren, Per G.; Abernethy, Dennis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is directed to a method and apparatus for continuously harvesting trees to be used ultimately for lumber, pulp wood, and the like. The method comprises moving a tree cutting means through trees standing along the edge of a stand of trees in a continuous manner at a rate whereby the trees along the path taken by the tree cutting means are cut continuously and collected in a substantially parallel pattern on a trough-like means. The apparatus comprises a tree cutting means means such as a, power wagon for moving the cutting means through trees standing along the edge of the stand of trees, framework means for collecting and guiding the cut trees and depositing them in a …
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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 October 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.