Disc saw blade for saw chain
CA 2541707 C · Owner: Bracke Forest Ab · Inventors: Hemmingson, Olle
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a disc saw blade (2) with a saw chain (12) mounted around the circumference of a circular disk (4) which saw chain (12) is , provided with driving links (6) connecting links (8) and cutting links (10). By means of the driving links (6), the chain is guided in at least one chain groove (14) arranged around the periphery of the disk against the bottom (18) , of which groove a part (22) of each driving link that projects radially inwards can make contact. The bottom (18) of the groove has radial projections (20) distributed around the circumference and the driving link has a cam surface (24) on the part (22) that projects radially inwards for interaction , with …
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 October 13, 2004 and granted January 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 13, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.