Method for the renewal of a railroad switch or crossing and train for carrying out the method
CA 1236724 A · Owner: Fils D'Auguste Scheuchzer S.A. (Les) · Inventors: Buhler, Fritz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is described a train for the renewal of a railway switch or crossing. The renewal of railroad track devices for example switches is quite a complicated undertaking for the devices are very bulky components in respect to their width and handling them poses problems. An improved train for carrying out the renewal of railroad switches has first and second chassis each having running gear. The two chassis are spaced apart from one another a distance greater than the track-wise extent of a switch to be renewed. A girder is disposed between the chassis and extends length-wise of the track. A first crane is provided on the first chassis supporting a first end of the girder and a second crane …
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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 May 17, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2005.
- 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.