Oral care implement
CA 2575798 C · Owner: Kemp, James Herbert · Inventors: Xi, Wen Jin (Swanson); Kemp, James Herbert; Hohlbein, Douglas J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An oral care implement includes a material that invokes a sensory response when in contact with tissues or surfaces of a mouth of a user. In one embodiment, the material is provided in a two-dimensional or three-dimensional shape indicative of visually communicating the response to the user. The oral care implement may also include a soft tissue cleaner provided with the sensory material.
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 May 28, 2013. 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.