Railway vehicle bolster with integral and brake system car reservoir
CA 1290986 C · Owner: Stein, Eugene S. · Inventors: Stein, Eugene S.; Berg, Norman A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A railway vehicle bolster having an air brake system air reservoir formed integrally in a cavity defined by a top web and side walls of said bolster by enclosing the cavity with end walls and a bottom wall. Air inlet and outlet means provide communication between the air brake system and the reservoir.
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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
- 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.