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Expired Canadian patentCanada

Conveying device

CA 1074354 A · Owner: Wikings Mekaniska Verkstad Ab · Inventors: Andersson, Claes-Goran

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 invention provides a conveying device for conveying groups of objects from an infeed station to an outfeed station by means of two endless conveyors, each of which carries at least one array of pick-up devices. The device is characterised in that drive means are arranged to (1) move independently of one another the two conveyors in a direction from the infeed station to the outfeed station, (2) drive the respective conveyors stepwise with the pick-up devices carried thereon past the infeed station for picking-up at least one object during the rest period between each movement step, and (3) drive respective conveyors in a continuous movement between the pick-up station and the outfeed …

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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 March 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 25, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 25, 1980
Term endedMarch 25, 1997
Patent numberCA 1074354 A
Classification (IPC)B65G47/00 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedMarch 25, 1980Term endedMarch 25, 1997

Sources & verification

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