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Expired Canadian patentCanada

Oral care implement

CA 2587294 C · Owner: Colgate-Palmolive Company · Inventors: Moskovich, Robert

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 oral care implement including a handle and a head with a tongue cleanser. The tongue cleanser has at least one ridge which is at least as wide as it is high. In one preferred construction, the ridges are shaped so as to define a concave surface facing generally toward the handle. The ridges also preferably include aligned segments from front to back that are oriented at different angular positions.

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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

  • Filed November 10, 2005 and granted June 10, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 10, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 10, 2005
GrantedJune 10, 2014
Term endedNovember 10, 2025
Patent numberCA 2587294 C
Classification (IPC)A61C17/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 10, 2005Patent grantedJune 10, 2014Term endedNov 10, 2025

Sources & verification

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