Expired Canadian patentCanada
Arcuate chain saw for felling trees
CA 1182384 A · Owner: Dagenais, Joseph E. · Inventors: Dagenais, Joseph E.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A chain saw mountable on a powered vehicle having a chain support with a loop-defining chain run including an exposed arcuate cutting run portion. Optimally the chain run may be arcuate along its entire length.
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 February 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 15, 1983
GrantedFebruary 12, 1985
Term endedFebruary 12, 2002
Patent numberCA 1182384 A
Classification (IPC)B27B17/00
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.