Device, method and apparatus for lifting a railway rail
CA 2615261 C · Owner: Svendsen, Jan Anders · Inventors: Bointon, Richard; Svendsen, Jan Anders
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A railway-rail-lifting device for lifting a railway rail comprises an arm (105) and a roller (110) rotatably mounted to the arm (105). The arm (105) is operable to be rotated to bring the roller (110) to bear on the rail such that the roller (105) exerts a lifting force thereon. Securing means are operable to releasably secure the device to a rail fastening assembly.
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 July 7, 2006 and granted May 27, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 7, 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.