Automatic electric coupling mechanism for a passenger transit type vehicle
CA 2124303 C · Owner: Westinghouse Air Brake Company · Inventors: Mcgee, Conley Lee; Hanano, M. Nihad
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electric coupler engages a mechanical coupler disposed on a passenger transit vehicle to enable necessary electrical connections required to operate such vehicle to be achieved. Such electric coupler includes an interface device engaging both such mechanical coupler and such electric coupler for positioning the electric coupler on such mechanical coupler. A first securing device engages each of such interface device and such mechanical coupler for securing them together. A second securing device engages each of such interface device and such electric coupler for securing them together. A pair of bearing shaft members and a pair of shaft support members connected to a respective one of …
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 May 25, 1994 and granted March 9, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 25, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 25, 2016.
- 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.