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Expired Canadian patentCanada

Toothbrush with exchangeable bristle carrier

CA 1266357 C · Owner: Rueb, Fritz Alfons · Inventors: Rueb, Fritz Alfons

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 toothbrush wherein the front end face of the handle has a flat projection which is receivable in a complementary socket in the adjacent end face of the detachable bristle carrier and the projection is integral with an arrowhead-shaped male detent which is detachably snapped into a recess extending from the socket into that surface of the carrier from which the bristles extend.

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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 March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 4, 1985
GrantedMarch 6, 1990
Term endedMarch 6, 2007
Patent numberCA 1266357 C
Classification (IPC)A46B9/04 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedOct 4, 1985Patent grantedMarch 6, 1990Term endedMarch 6, 2007

Sources & verification

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