Apparatus for connecting a device into a brake pipe hose connection between railway cars and/or locomotives
CA 2257711 C · Owner: Cohen, Jonathan A. · Inventors: Gaughan, Edward W.; Cohen, Jonathan A.; Kettle, Paul J. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adapter is designed to interconnect the two glad hands that extend from the adjacently disposed ends of a pair of rail vehicles in a train. The housing of the adapter includes first and second connector bodies and an intermediate portion situated between the two connector bodies. The adapter housing encloses a flow chamber that runs from the first connector body through the intermediate portion to the second connector body. The intermediate portion defines a vertically disposed access port in communication with the flow chamber of the adapter housing. The connector bodies are formed on opposite vertically, oriented sides of the adapter housing. Each connector body features a mating …
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
- Filed January 4, 1999 and granted March 26, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 4, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 4, 2021.
- 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.