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Expired Canadian patentCanada

Arrangement and method for the analysis of the strength of a specimen of reducible material that contains iron

CA 2531907 C · Owner: Mickelsson, Kjell-Ove · Inventors: Holmdahl, Urban; Apelqvist, Anders; Forsmo, Seija

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Abstract From the Canadian patent

A method for the analysis of the strength of a test specimen (A) of reducible material that contains iron during the use of an arrangement that demonstrates a first device , and a second device that can be displaced relative to each other each of , which , demonstrates contact surfaces facing the other. The method comprises the steps: a test , specimen is arranged between the contact surfaces; the distance between the contact , surfaces is continuously reduced; the test specimen (A) is compressed between the contact , surfaces while a measurement value that comprises at least the force that is applied to the , specimen (a) is continuously collected; the measured value is stored in a …

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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 January 3, 2006 and granted October 13, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 3, 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.
FiledJanuary 3, 2006
GrantedOctober 13, 2015
Term endedJanuary 3, 2026
Patent numberCA 2531907 C
Classification (IPC)G01N3/08

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Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 3, 2006Patent grantedOct 13, 2015Term endedJan 3, 2026

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