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Expired Canadian patentCanada

Steel alloy and tools or components manufactured out of the steel alloy

CA 2618596 C · Owner: Joenson, Lennart · Inventors: Sandberg, Odd; Joenson, Lennart

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Abstract From the Canadian patent

The invention relates to a powder metallurgically manufactured steel with a chemical composition containing, in % by weight: 0.01-2 C 0.6-10 N, 0.01-3.0 , Si, 0.01-10.0 Mn, 16-30 Cr 0.01-5 Ni, 0.01-5.0 (Mo + W/2), 0.01-9 Co max. , 0.5 S and 0,5-14 (V + Nb/2), where the contents of N on the one hand and of (V+Nb/2) on the other hand are balanced in relation to each other such that the contents of these elements are within an area that is defined by the coordinates A', B', G, H, A', where the coordinates of N (V + Nb/2) are: A: , 0.6,0.5; B': 1.6,0.5; G: 9.8,14.0; H: 2.6,14.0 and max. 7 of (Ti + Zr , +Al), balance essentially only iron and impurities at normal amounts. The steel is …

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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 24, 2006 and granted October 13, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 24, 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.
FiledAugust 24, 2006
GrantedOctober 13, 2015
Term endedAugust 24, 2026
Patent numberCA 2618596 C
Classification (IPC)C22C38/58 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 24, 2006Patent grantedOct 13, 2015Term endedAug 24, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.