Articulated hopper railcar
CA 1233367 A · Owner: Canadian National Railway Company · Inventors: Arrey, Kelly J.; Berrada, Samir
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An articulated hopper railcar is provided which when fully loaded has a low combined center of gravity and has an improved track load distribution when compared with conventional railcars of similar capacity. The car has good dynamic stability making it ideal for rail lines with greater surface irregularities and sharper curves than those found on main lines. The car includes two hopper car bodies each car body having an adjacent end and an exterior end, each car body having a hopper therein with at least one discharge means, the hopper having a first end sheet at the exterior end of the car body sloped, upwards and outwards from the hopper and a second, end sheet at the adjacent end of the …
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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 March 1, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 1, 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.