Creep resistant zinc-aluminum based casting alloy
CA 1319280 C · Owner: Noranda Inc. · Inventors: Barnhurst, Robert J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A creep resistant zinc-aluminum based casting alloy comprises in weight percent 3-18% aluminum 0.01-0.15%, magnesium, 0.01-0.05% manganese 0.02-0.1% lithium or man-, ganese and lithium in the concentrations between 0.01- 0.05% Mn and 0.02-0.1% Li, the balance being zinc except for impurities commonly found in zinc alloys.
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 June 22, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 2010.
- 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.