High strength steel sheet and method for manufacturing the same
CA 2616360 C · Owner: Seto, Kazuhiro · Inventors: Yokota, Takeshi; Seto, Kazuhiro; Ariga, Tamako
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high tensile steel sheet having 980 MPa or higher tensile strength with excellent elongation and stretch-flange formability, suitable for the press-forming of complex cross sectional shape such as automobile parts is manufactured by , adjusting the steel to consist essential of a ferrite single phase structure, to precipitate carbide containing Ti Mo, and V, of , smaller than 10 nm of average particle size in dispersed state, and to have an average composition of the carbide containing Ti Mo, and V satisfying V/ (Ti + Mo + V)>=0.3 (atomic ratio .
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 August 3, 2006 and granted July 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 3, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.