Continuous treatment of cold-rolled carbon high manganese steel
CA 1331128 C · Owner: Roberts, Philip M. · Inventors: Roberts, Philip M.; Krauss, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract Of The Disclosure Cold-rolled, non-microalloyed carbon, manganese steel (0.11% to 0.18% C 1.20% to 1.40% Mn), is preheated at 700° to 1000°F heated to 1500° to, 1725°F, and quenched to 800° to 950°F in a continuous process to develop minimum yield strength of 480 MPa minimum tensile strength of 585 MPa, and 14% minimum elongation.
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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 August 2, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 2, 2011.
- 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.