Age-hardenable copper alloy
CA 2417546 C · Owner: Rode, Dirk · Inventors: Rode, Dirk; Helmenkamp, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An age-hardenable copper alloy made of 1.2 to 2.7 wt. % cobalt which is able , to be , partially replaced by nickel 0.3 to 0.7 wt. % beryllium, 0.01 to 0.5 wt. % zirconium, optionally 0.005 to 0.1 wt. % magnesium and/or iron and in some instances up to a , maximum of 0.15 wt. % of at least one element from the group including niobium, tantalum, vanadium, hafnium, chromium manganese, titanium and cerium. The , remainder is copper and includes production-conditioned impurities and usual processing additives. This copper alloy is used as the material for producing mold , blocks for the side dams of continuous strip-casting installations.
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 January 28, 2003 and granted March 31, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 28, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 28, 2025.
- 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.