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Expired Canadian patentCanada

Jewelry device

CA 1295845 C · Owner: Deboer, Gail · Inventors: Deboer, Gail

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 jewelry device for converting a button of the type including a rear lug with a hole therethrough into an earring or other article of jewelry includes a thin elongated body with, one inverted V-shaped end for insertion into the hole in the button lug and an arm perpendicular to such one end for insertion through a pierced ear or carrying a conventional ear clip for non-pierced ears. The arm can also be inserted into a conventional keeper or catch when the device is to be used for converting the button to a broach, or other article of jewelry.

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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 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 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.
FiledMay 16, 1988
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1295845 C
Classification (IPC)A44C15/00 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMay 16, 1988Patent grantedFeb 18, 1992Term endedFeb 18, 2009

Sources & verification

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