Oral care implement
CA 2575372 C · Owner: Hohlbein, Douglas J. · Inventors: Hohlbein, Douglas J.; Wong, Chi Shing
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An oral implement with a handle includes a head with a releasable material (e.g. an oral medicament) and a tissue cleanser for cleaning the soft tissues and removing odor-causing bacteria from the mouth. In one arrangement the , releasable material is disposed on the surface of the tissue cleanser. In one arragement, the releasable material is disposed behind the tissue cleanser. In one arragement, the releaseable material is incorporated in the composition of the tissue cleanser.
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
- Filed August 10, 2005 and granted July 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 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.
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.