Cant forming device
CA 2178697 C · Owner: Larsson, Kenneth · Inventors: Larsson, Kenneth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is meant for a cant forming arrangement of the kind with at least two rotational chipping heads with a basic cut off conical form where they each have a basic conical main surface and a small end, whereby the chipping heads are arranged in pairs with the small ends turned opposing one another and equipped with replaceable knives which are arranged on the respective chipping head's main face with the purpose to surface a log on two opposing sides through length feeding of a log between the chipping heads while they are rotating, and that the, wood which is removed is made directly to chips by the knives. A single knife in at least one spiral set of cutting knives closest to the …
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
- Filed June 10, 1996 and granted November 2, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 10, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 2018.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.