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Expired Canadian patentCanada

Cushioning element for mill liner

CA 2600972 C · Owner: Vulco S.A. · Inventors: Melo, Ricardo Abarca; Doberti, Ricardo Fernandez

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A cushioning element suitable for use in a liner assembly for a grinding mill the liner , assembly including a mounting element having a recess therein the cushioning , element being , located within the recess and a wear element operatively connected to the cushioning element, the cushioning element including a cushion body of elastomeric material including a side , section and opposed end sections a plurality of cavities within the cushion body and , extending from at least one of the end sections towards the other end section.

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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 16, 2006 and granted November 24, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 16, 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 16, 2006
GrantedNovember 24, 2015
Term endedJanuary 16, 2026
Patent numberCA 2600972 C
Classification (IPC)B02C17/22

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 16, 2006Patent grantedNov 24, 2015Term endedJan 16, 2026

Sources & verification

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