Toothbrush
CA 1163760 A · Owner: Zeski, Stephen J. · Inventors: Zeski, Stephen J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TOOTHBRUSH, A toothbrush having an elongated handle portion and an integral head portion which is elongated but normally shorter than the handle portion with both portion being substantially flat and lying in a common plane. The head portion includes an elongated shaft which extends from a juncture with the handle portion to a terminal bristle support section; the length of said head portion being sufficient to permit the bristle support section to reach the molars of a user when the juncture between the head and handle portions is positioned adjacent the lip of the user. A plurality of bristles are fixed to the bristle support section of the head portion and project therefrom in a …
Read the whole patent
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 20, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.