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Expired Canadian patentCanada

Tooth cleaning device

CA 1209761 A · Owner: Fishman, Avraham · Inventors: Fishman, Avraham

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

The invention relates to a device for cleaning teeth and massaging gums. The toothbrush used up to now for such purposes has certain disadvantages and furthermore, caused by its nature and size it is not always on hand when dental hygiene necessitates it. The device as defined in the invention is characterized by a small sheet provided with a multitude of bristles or bristlelike projections whish is suitably dimensioned and is provided on its front side with a dentifrice and on its back side with an adhesive which makes possible the attaching on a finger tip. It creates a kind of "disposable toothbrush" which is hygienic and always ready to use and can always be on hand due to the small …

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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 August 19, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 2003.
  • 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, 1983
GrantedAugust 19, 1986
Term endedAugust 19, 2003
Patent numberCA 1209761 A
Classification (IPC)A47K7/03 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMay 16, 1983Patent grantedAug 19, 1986Term endedAug 19, 2003

Sources & verification

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