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Expired Canadian patentCanada

Printer high capacity output stacker documents removal system

CA 2239751 C · Owner: Rieck, Kenneth J. · Inventors: Rieck, Kenneth J.

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 printed sheets stacking, removal, transporting and containment system for the large heavy stacks of printed sheets outputted by a reproduction apparatus with a plurality of separate sheet stack transporting tote units, each adapted to lift and retain a large stack of printed sheets, each tote unit having a bottom surface enclosing side, surfaces, and an open side through which a large stack of sheets can be laterally loaded, and also having at least one integral keying member preferably an integral runner extending from the bottom surface and extending in the direction of the open side with a downwardly beveled, outer end; and the output stacking tray having at least one guide member …

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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 June 5, 1998 and granted September 17, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 5, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 5, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 5, 1998
GrantedSeptember 17, 2002
Term endedJune 5, 2018
Patent numberCA 2239751 C
Classification (IPC)B65H31/08 +1 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJune 5, 1998Patent grantedSep 17, 2002Term endedJune 5, 2018

Sources & verification

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