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Expired Canadian patentCanada

Plural mode recirculating document handler

CA 1194050 A · Owner: Xerox Corporation · Inventors: Buddendeck, Mark H.

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 recirculating document handling apparatus and method for plurally recirculating original document sheets to and from a stack thereof and to and from the imaging station of a copier for providing precollation copying, providing selected ones of different but compact and partially shared document recirculation loop paths within a common loop path, selected depending on the copying mode selected with path selector means.

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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 September 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
  • 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 28, 1982
GrantedSeptember 24, 1985
Term endedSeptember 24, 2002
Patent numberCA 1194050 A
Classification (IPC)B65H1/30 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedSep 28, 1982Patent grantedSep 24, 1985Term endedSep 24, 2002

Sources & verification

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