Joint assembly, such as for a bogie brake linkage system
CA 2598548 C · Owner: H.E.F. · Inventors: Barlerin, Jean-Claude; Chaduiron, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an assembly that operates under boundary lubrication comprising a shaft (2) which is mounted such as to rotate or oscillate in a ring. According to the invention the shaft (2) and/or the ring (1) are subjected to a hardening treatment by means of diffusion or structural transformation followed by a finishing treatment and a treatment that can reduce seizing tendency and susceptibility to corrosion the bore in said ring and/or the shaft comprising means that can be used to store a lubricant.
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 February 20, 2006 and granted January 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 20, 2026.
- 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.