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Expired Canadian patentCanada

Bend segment for the track of a chain conveyor

CA 1268136 C · Owner: Mcc Nederland B.V. · Inventors: Wallaart, Jacobus Johannes

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

12-, Title: A bend segment for the track of a chain conveyor Abstract, A bend segment for a chain conveyor comprising a chain movable over a track including one or more bends said chain being composed of links of a magnetizable material having a substantially rectangular load bearing surface the successive links in the chain being pivoted together. The bend segment includes means for producing a magnetic field to retain the load bearing surfaces of the links flat on the track, which consists of a pair of rails of a magnetizable material wherebetween are provided at, predetermined distances, members for interconnecting the rails and/or for keeping these spaced apart. A synthetic plastics …

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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 April 24, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 2, 1986
GrantedApril 24, 1990
Term endedApril 24, 2007
Patent numberCA 1268136 C
Classification (IPC)B65G23/18 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedJuly 2, 1986Patent grantedApril 24, 1990Term endedApril 24, 2007

Sources & verification

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