H-bn modified p/m stainless steels
CA 2371439 C · Owner: Maxtech Acquisition Llc · Inventors: Lacombe, Danielle; Angers, Roch; Baazi, Tandjaoui
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the invention, a stainless steel powder of the desired composition is either directly mixed with a h-BN powder compressed and sintered of the , stainless steel powder is compressed impregnated with a solution containing h- BN and then sintered or compressed, sintered and then impregnated with a solution containing h-BN. The sintered bodies in all the aforementioned cases may be resin impregnated. Steel body formation may be done by traditional press compacting or, alternatively, by injection molding steel powder in molds (metal injection molding, MIM).
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 May 19, 2000 and granted August 2, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 19, 2022.
- 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.