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Expired Canadian patentCanada

Multi-station system to act upon footwear upper assemblies with transfer between stations thereof

CA 1308220 C · Owner: Williams, Gregory A. · Inventors: Williams, Gregory A.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

For use in a system that includes first and second machines to perform operations on a footwear upper assembly a transfer machine, that includes an activator arm assembly and a gripper assembly, rotatably and pivotally connected to one end of the activator arm assembly. The gripper assembly includes a pair of fingers with a gripper jaw pivotally secured to each of the fingers. The pair of fingers are movable toward and away from each other respectively to grasp and release the footwear upper assembly. The pivotal attachment of the jaws permits the jaws to adjust to the irregular profile of the footwear upper assembly, a situation which is enhanced by the geometry of the gripper jaws which …

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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 October 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 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.
FiledNovember 19, 1987
GrantedOctober 6, 1992
Term endedOctober 6, 2009
Patent numberCA 1308220 C
Classification (IPC)A43D11/00 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 19, 1987Patent grantedOct 6, 1992Term endedOct 6, 2009

Sources & verification

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