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Expired Canadian patentCanada

Conveyor chain for container nest

CA 1306436 C · Owner: Walter, John · Inventors: Walter, John

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

This relates to a special endless conveyor chain particularly adapted to carry mixtures which are to be readily removable and replaceable on the conveyor chain. In order to accomplish this, the pins which connect together the links of a conventional conveyor chain are elongated above the conveyor chain for reception in bores within an associated fixture. The conveyor chain 18 formed of elongated links and shorter links with the length of the elongated links being in accordance with the general dimensions of a fixture longitudinally of the conveyor chain. Each upper one of the elongated links is provided with a flat upper surface so as to provide a supporting surface for a fixture to be …

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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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.
FiledJune 16, 1989
GrantedAugust 18, 1992
Term endedAugust 18, 2009
Patent numberCA 1306436 C
Classification (IPC)B65G17/08 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedJune 16, 1989Patent grantedAug 18, 1992Term endedAug 18, 2009

Sources & verification

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