Railway bogie-trucks and method of manufacturing same
CA 1058966 A · Owner: Societe Des Acieries De Paris Et D'Outreau · Inventors: Guillaumin, Jean-Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved railway rolling-stock bogie-truck and the method of manufacturing same are provided ; the truck comprises a cross beam and a pair of spaced longitudinal side beams with a central bearing support ; more particularly the portions of, the cross beam and each side member on the one hand, and of the, bearing support and the cross beam on the other hand, which are, to be connected are in mutual alignment or co-extension and, assembled according to the butt welding technique ; the side members have an asymetrical cross-sectional configuration.
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 July 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 24, 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.