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Expired Canadian patentCanada

Record medium transport arrangement for a marginally perforated record medium

CA 1114231 A · Owner: Siemens Aktiengesellschaft · Inventors: Windele, Josef

CIPO record

Overview

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

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Abstract From the Canadian patent

A record medium transport arrangement cooperates with a record medium guide arrangement in a transfer station of a non-mechanical copying or printing machine. The record medium transport arrangement and the record medium guide arrangement form one structural unit which is adapted to be pivoted away from an intermediate carrier. It comprises two conveyor belt arrangements being disposed on one side of the record medium guide arrangement one each of these belts being provided for the guide perforations of the record medium. Each conveyor belt arrangement is provided with at least three wheels and one conveyor belt. One each of these wheels is adapted to be driven by means of a drive shaft. …

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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 December 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 23, 1978
GrantedDecember 15, 1981
Term endedDecember 15, 1998
Patent numberCA 1114231 A
Classification (IPC)B41J11/32 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedFeb 23, 1978Patent grantedDec 15, 1981Term endedDec 15, 1998

Sources & verification

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