A hearing aid and an ear piece for a hearing aid
CA 2614357 C · Owner: Espersen, Christian Bohl · Inventors: Espersen, Christian Bohl; Skafte, Klavs Richard; Kreipke, Christian Pedersen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A behind-the-ear hearing , aid (1) comprises a housing (4) an ear piece , (3) and a custom earplug (2) the custom , earplug being adapted to fit the ear canal of an individual hearing aid user, the ear piece having a connector for connecting with the custom earplug, the connector and the earpiece having means for snap fitting engagement and means for defining the mutual rotational orientation. The invention further provides a custom earpiece for a hearing aid.
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 June 20, 2006 and granted May 26, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 20, 2026.
- 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.