Measurement of undulatory wear along railroad tracks
CA 1065600 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
THE MEASUREMENT OF UNDULATORY, WEAR ALONG RAILROAD TRACKS" ABSTRACT OF THE DISCLOSURE, To measure undulatory wear of the rails a carriage, moving along a railroad track has three measuring bases formed by girders each supported on two rollers and each having a rail sensor providing a measurement of deformation of the rail intermediate the support rollers defining the respective measuring base. The measuring bases have different lengths to provide measurements of the amplitude of undulations of given wavelength values. The length of each successively shorter measuring base is related to the length(s) of the longer one(s) to include amplitude measurements for wavelength values not provided by …
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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 November 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 6, 1996.
- 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.