Rail grinding machine
CA 1295835 C · Owner: Vieau, Robert G. · Inventors: Vieau, Robert G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A railroad mounted grinding machine for maintaining the railhead profile of railroad track rails. A plurality of grinding modules are mounted on an undercarriage. The undercarriage is shiftably carried, by a track engaging platform for side, to side positioning of the grinding module across the longitudinal axis of a rail. Each grinding module is independently tiltable relative to the undercarriage.
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 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
- 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.