Train vehicle control apparatus
CA 1050145 A · Owner: Westinghouse Electric Corporation · Inventors: Perry, Robert H.; Miller, Howard N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Control apparatus for determing the power regenerating operation of a train vehicle is disclosed in relation to the provision of a control signal in conjuction with the operation of the power supply rail of the train vehicle track such that power regenerating operation of the train vehicle is prevented unless such operation is desired as indicated by the presence of that control signal.
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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 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.