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Expired Canadian patentCanada

Automatic copier signature set production

CA 1289612 C · Owner: Smith, Richard E. · Inventors: Smith, Richard E.

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

Signature printing with an automatic duplexing copier by simultaneously presenting plural document sheets to the imaging station of the copier in a predetermined nonserial page order for producing a set of signature copy sheets suitable for subsequent center-folding into signature sets, by loading a normal serial set of document sheets into an automatic document reordering and presenting system (associated with the copier) which automatically reorders that set of document sheets into a predetermined nonserial reordered page order for signature pair page order "two-up" copying, and automatically presenting the pairs of automatically reordered document sheets to the imaging station of the …

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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, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
  • 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 14, 1987
GrantedSeptember 24, 1991
Term endedSeptember 24, 2008
Patent numberCA 1289612 C
Classification (IPC)G03G15/00 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJuly 14, 1987Patent grantedSep 24, 1991Term endedSep 24, 2008

Sources & verification

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