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Expired Canadian patentCanada

Egg slicers

CA 1332877 C · Owner: Koo Hong-Wah, Vincent · Inventors: Koo Hong-Wah, Vincent

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

An egg slicer comprising upper and lower hinged arm which are arranged to be grasped in one hand by a user. The arms are hinged to one another at their near ends. The front end of the lower arm has a number of spaced but parallel cutter means for slicing a boiled egg forced past them whilst the upper arm has an enlarged presser member for trapping an egg placed in the cutter means and forcing the egg past the cutter means as the two arms are squeezed together. The upper arm has thumb receiving means for engaging a user's thumb whilst grasping the arms of the slicer in one hand so that, by raising the user's thumb the presser member can be raised to allow a fresh egg to be placed in the …

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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 November 8, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 8, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 26, 1989
GrantedNovember 8, 1994
Term endedNovember 8, 2011
Patent numberCA 1332877 C
Classification (IPC)A47J47/14 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedSep 26, 1989Patent grantedNov 8, 1994Term endedNov 8, 2011

Sources & verification

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