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Expired Canadian patentCanada

Apparatus and process for the production of a device for dealing with plate-like workpieces or the like

CA 1307689 C · Owner: Vossen, Franz · Inventors: Vossen, Franz; Gaigl, Karl Josef

CIPO record

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

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Abstract From the Canadian patent

In an apparatus for producing a device for detaching portions of workpieces in place, sheet or leaf form in, particular sheets of cardboard, which are used in the folding box industry and which each include at least one blank for a folding box or the like, and adjoining waste pieces a, plurality of individual breaking-out pins are to be releasable fixed at a radial spacing (e) from each other on an elongate conveyor member, in the path of movement of which is disposed a piston or the like pressure element which is disposed substantially parallel to at least one of the breaking-out pins and which is adapted to be moved towards a breaking-out pin and which is guided substantially at a right …

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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 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 12, 1988
GrantedSeptember 22, 1992
Term endedSeptember 22, 2009
Patent numberCA 1307689 C
Classification (IPC)B26D7/18

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedOct 12, 1988Patent grantedSep 22, 1992Term endedSep 22, 2009

Sources & verification

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