High strength copper base alloy and preparation thereof
CA 1096756 A · Owner: Olin Corporation · Inventors: Caron, Ronald N.; Shapiro, Stanley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Spinodal precipitation hardened copper base alloy is prepared having high strength and favorable strength to ductility characteristics. The alloy consists essentially of from 10 to 30% nickel, 1 to 5% aluminum and the balance essentially copper. The microstructure of the alloy is characterized by including finely dispersed precipitates of Ni3Al particles dispersed throughout the alloy matrix. This alloy is particularly useful for electrical contact springs.
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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 March 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
- 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.