Coupler shank hard facing
CA 1065282 A · Owner: Mcconway And Torley Corporation · Inventors: Scherrer, Charles L.; Baughman, Don L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hard-facing deposit of weld metal in the form of parallel, spaced-apart tracks extends along the external bottom wall of a railroad coupler shank for engagement with the working face surface of a coupler carrier. The tracks of weld metal are arranged lontigudinally within the shank area located, in part between the horn, line and connector opening in the coupler shank. The weld metal is usually 1/4-inch or less in thickness 1-inch wide with a 1-inch space between the track deposits of weld metal.
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 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 30, 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.