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Expired Canadian patentCanada

Screen and screen element

CA 2579136 C · Owner: Metso Outotec (Finland) Oy · Inventors: Groenvall, Lars; Larsson, Kalle

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A screen element (2) of a screen (1) has longitudinal sides adapted to be arranged in a longitudinal direction of a screen frame (4) and transverse sides adapted to be arranged in a transverse direction of the screen frame (4) . The transverse sides of the screen element (2) are provided with at least one projection (6) and/or at least one recess (7) for locking engagement in a , direction transversely to the plane of the screen element (2) with a , corresponding projection (6) and/or recess (7) on neighbouring screen elements arranged in the screen frame (4) . A screen (1) with a screen element (2) arranged in a screen frame (4) is also disclosed.

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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 September 9, 2005 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 9, 2025.
  • 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.
FiledSeptember 9, 2005
GrantedJanuary 22, 2013
Term endedSeptember 9, 2025
Patent numberCA 2579136 C
Classification (IPC)B07B1/46 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 9, 2005Patent grantedJan 22, 2013Term endedSep 9, 2025

Sources & verification

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