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Expired Canadian patentCanada

Board turner

CA 2422285 C · Owner: Johansson, Jan · Inventors: Johansson, Jan

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 board turner is intended for use on a conveyor for transporting large volumes of boards. The conveyor defines a plane for carrying boards and the board turner has a rotation unit and a gripping unit mounted on the rotation unit. The gripping unit has an open position and a closed position and is switchable between these positions in response to a signal from a sensor. In the open position the gripping unit rotates past the carrying plane without making contact with the synchronously arriving board. A signal from the sensor switches the gripping unit between the open position and the closed position while the gripping unit grips two opposite surfaces of a sideways extending part of the …

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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 March 14, 2003 and granted February 1, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 14, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 14, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 14, 2003
GrantedFebruary 1, 2011
Term endedMarch 14, 2023
Patent numberCA 2422285 C
Classification (IPC)B27B31/04 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMarch 14, 2003Patent grantedFeb 1, 2011Term endedMarch 14, 2023

Sources & verification

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