Electric toothbrush
CA 1316645 C · Owner: Gimelli & Co Ag · Inventors: Hommann, Edgar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an electric toothbrush is a gear driven by a motor. On the face of the gear is an eccentric pin upon which a sliding member is located, the eccentric pin engaging with a socket in a lever. This lever is securely connected to the brush rod. The lever is moved up and down and simultaneously tilted alternately from one side to the other due, to the circling motion of the eccentric pin so that, the brush rod executes a corresponding movement.
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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.