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Expired Canadian patentCanada

Cord tightening device

CA 1295110 C · Owner: Yoshida Kogyo K.K. · Inventors: Kasai, Kazumi

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

A cord tightening device for tightening cords on anoraks, shopping bags and other bags includes a hollow body and a slider movably disposed in the body and slidable along a guide groove defined in a face plate of the body. The slider has an annular retainer for pressing cord portions against side walls of the body and a resilient, knob cantilevered to the retainer and normally projecting through the guide groove above the face plate. The cantilevered knob is resiliently flexible toward the back plate to such an extent that the knob is substantially fully received in an aperture in the retainer. With this resilient knob, the slider can smoothly be inserted in and removed from the body …

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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 February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 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 12, 1987
GrantedFebruary 4, 1992
Term endedFebruary 4, 2009
Patent numberCA 1295110 C
Classification (IPC)F16G11/10 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMay 12, 1987Patent grantedFeb 4, 1992Term endedFeb 4, 2009

Sources & verification

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