Fastening for a rail arrangement for fastening of rails
CA 2561433 C · Owner: Pandrol Limited · Inventors: Ossberger, Heinz; Porrill, John; Seeley, David R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a fastening for a rail for securing a rail (10) whose foot is resting, on a concrete sleeper (16) comprising at least one elastic clip (20) having several legs of, which at least one leg extends inside a shoulder (42 44) or channel of a , holder (24) that is connected to the concrete sleeper, and at least one further leg rests on the rail foot. For securing a rail to the necessary extent with simple design means and in space-saving, form, it is suggested that the holder (24 26) is arranged detachably in the , concrete sleeper (16) or in a plate element resting thereon and is connected to the concrete sleeper, by a bolt element.
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 April 28, 2005 and granted April 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2025.
- 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.