Ceramic shoes for electroslag welding
CA 1263151 C · Owner: Canadian General Electric Company Limited · Inventors: Breedon, Ernest M.V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed an electroslag welding process and unitary ceramic refractory damming shoes for this process. The damming shoes may be cast or molded into various required shapes to accommodate complex joint profiles at relatively cheap costs.
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 November 21, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 21, 2006.
- 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.