Non-ageing low-alloy hot-rolled strip-form formable steel
CA 1318836 C · Owner: Van Perlstein, Erik B. · Inventors: Van Perlstein, Erik B.; Den Hartog, Huibert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A non-ageing low-alloy hot-rolled strip-form formable steel has a carbon content of between 0.02 and 0.10 wt.% and a thickness of between 0.5 and 5.0 mm. In order to bind N so as to achieve a nonageing steel, while permitting deirect entry of the steel to rolling from casting, the contents of titanium, nitrogen and sulphur in wt.% satisfy the conditions:, Ti ? 2.28 N, Ti ? 3.43 N + 1.5 S and the steel is free from titanium carbide and niobium carbide.
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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 June 8, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 8, 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.