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Expired Canadian patentCanada

Makeready system

CA 1138075 A · Owner: Harris Corporation · Inventors: Dufour, Charles H.; Newman, Jonathan G.

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

Apparatus and method are disclosed for making ready a multi-unit, multi-web printing press. Data is entered Into a computer memory representing the number of sections of a publication to be printed, the number of pages for each section and which pages of each section are to be printed in one or more colored inks. An acceptable web layout pattern and acceptable page printing plate locations on the various plate cylinders of the press are determined from the inputted and previously stored data. A readout is presented providing information as to the acceptable web layout pattern and the correct page printing plate positions.

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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 21, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 1, 1978
GrantedDecember 21, 1982
Term endedDecember 21, 1999
Patent numberCA 1138075 A
Classification (IPC)B41F33/00 +1 more

Timeline

Timeline From CIPO dates

1979198219851988199119941997Application filedDec 1, 1978Patent grantedDec 21, 1982Term endedDec 21, 1999

Sources & verification

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