Apparatus for debarking trees
CA 1289441 C · Owner: Peterson, Arnold N. · Inventors: Sprague, Larry A.; Peterson, Arnold N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A debarking apparatus including a closed bottom formed into a channel. A plunger is slidable in the channel and pushes bark material along the channel and out an open end of the channel. The plunger has a top surface that closes the channel as it moves through the debarking station. The bark deposited on the surface is wiped off and into the channel upon withdrawal. Preferably a shearing blade provided on the leading upper edge of the plunger shears material that protrudes above the channel opening.
Read the whole patent
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 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
- 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
Timeline From CIPO dates
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.