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Expired Canadian patentCanada

Conveyor belt with a connecting member drive

CA 1303545 C · Owner: Lapeyre, James Martial · Inventors: Lapeyre, James Martial

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

A module for forming a conveyor belt which uses the center transverse connecting member to receive a driving force from an intermeshed sprocket is disclosed. Each of the modules is suitable for being pivotally connected with a multiplicity of similar modules by pivot rods to construct a conveyor belt. Each of the modules includes a plurality of elongated links which extend the length of the module and which define a pivot hole at each end which are aligned in the module to form first and second pivot axes. The elongated links of each of the modules are joined by an integrally molded connecting structure which extends transverse to the elongated links so as to maintain and join the relative …

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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 June 16, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 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.
FiledMay 24, 1989
GrantedJune 16, 1992
Term endedJune 16, 2009
Patent numberCA 1303545 C
Classification (IPC)B65G17/06 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedMay 24, 1989Patent grantedJune 16, 1992Term endedJune 16, 2009

Sources & verification

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