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Expired Canadian patentCanada

Assembly for positioning planar workpieces with respect to one another

CA 1295586 C · Owner: Engelbart, Wilhelm · Inventors: Engelbart, Wilhelm

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

In the automation of work operations in the manufacture of apparel, devices for picking up flat workpieces such as fabric pattern pieces comprise a plurality of magazine stations, at each of which is disposed a respective stack of workpieces, and a delivery station arranged in a row with the magazine stations. Each magazine station is assigned a respective separating device which lifts only the uppermost workpiece in the respective workpiece stack on the side thereof facing the delivery station. A foil-like carrier moved, linearly through the stations, travels at a magazine station between the workpiece stack and the workpiece which is lifted on one side and during this travel peels off 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 February 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 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.
FiledMarch 26, 1987
GrantedFebruary 11, 1992
Term endedFebruary 11, 2009
Patent numberCA 1295586 C
Classification (IPC)D05B33/02

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMarch 26, 1987Patent grantedFeb 11, 1992Term endedFeb 11, 2009

Sources & verification

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