Chain saw bar
CA 1202547 A · Owner: Beerens, Cornelis J.M. · Inventors: Beerens, Cornelis J.M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chain saw bar having a central groove along the top and bottom edges to guide the chain about the bar and a, bar nose structure at the end of the bar to guide the chain from the top edge to the bottom edge. The nose structure including an extension of the bar on one side of the groove and a roller rotatably mounted on the extension to form the other side of the groove at the noss of the bar. The roller and extension having arcuate peripheral faces to guide the chain about the nose of the bar. - 1 -
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 April 1, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 2003.
- 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.