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Expired Canadian patentCanada

Sheet registration apparatus and device

CA 1208666 A · Owner: Xerox Corporation · Inventors: Millen, Jeffrey A.

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 sheet registration apparatus and device for registering a sheet on a surface 72 against a registration stop 75 or 74 75 includes, a wiper device 100 having a plurality of resilient blades 101 rotatable about an axis 103 which is generally normal to the surface 72. The blades lie in radial planes through the axis and extend in the direction of the axis towards sheet-engaging tips 106 which are arranged to wipe across the sheet surface over a limited arc of rotation so as to urge the sheets towards the registration stop. To this end the blades are held out of contact with the sheets during part of each revolution by a swash plate 102 having an arcuate opening 114.

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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

  • Granted July 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 6, 1983
GrantedJuly 29, 1986
Term endedJuly 29, 2003
Patent numberCA 1208666 A
Classification (IPC)B65H9/00 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 6, 1983Patent grantedJuly 29, 1986Term endedJuly 29, 2003

Sources & verification

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