Steel compositions, methods of forming the same, and articles formed therefrom
CA 2794435 C · Owner: Ati Properties, Inc. · Inventors: Bailey, Ronald E.; Hackett, Timothy M.; Lee, Tong C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Maraging steel compositions, methods of forming the same and articles formed therefrom comprising by weight. 15.0 to 20.0% Ni, 2.0 to 6.0% Mo 3.0 to 8.0% Ti, up to 0.5% Al, the balance Fe and residual impurities. The composition may be a first layer of a composite plate and may have a second layer deposited on the first layer the second layer having a composition comprising by weight, 15.0 to 20.0% Ni, 2.0 to 6.0% Mo 1.0 to 3.0 Ti, up to 0.5% Al, the balance Fe and residual impurities. The first layer may have a hardness value ranging from 58 to 64 RC and the second layer may have a hardness value ranging from 48 to 54 RC. The first layer may be formed employing powdered metallurgical …
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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
- Filed August 29, 2006 and granted November 17, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 29, 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.