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Expired Canadian patentCanada

Signature handling apparatus

CA 1331027 C · Owner: Bryson, Robert A. Sr. · Inventors: Bryson, Robert A. Sr.

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

The present invention resides in an improved system for building and handling stacks of signatures which comprises a stacker which receives signatures and builds the same into stacks; a container means comprising a plurality of cells, each cell being adapted to hold a stack of signatures; a conveyor means for transferring said container means to said stacker and for moving said container means away from said stacker; said stacker comprising a loading means for loading a stack of signatures into a cell; said conveyor means comprising indexing means adapted to position each cell of the container means successively at said loading 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 July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 2011.
  • 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 25, 1989
GrantedJuly 26, 1994
Term endedJuly 26, 2011
Patent numberCA 1331027 C
Classification (IPC)B65H31/30 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedSep 25, 1989Patent grantedJuly 26, 1994Term endedJuly 26, 2011

Sources & verification

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