Post-auricle contoured headset for two-way voice communication
CA 1181161 A · Owner: Plantronics, Inc. · Inventors: Bernardi, Robert J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A post-auricle headset capsule for a miniaturized headset, and a miniaturized headset including such a capsule. The capsule has corresponding side surfaces with each side surface being contoured to generally conform to the shape of a wearer's head. Each side surface has upper and lower side portions with the upper side portion being concave to generally conform to the curvature of a wearer's head, and with the lower side portion being narrowed to fit adjacent to the mastoid process of a wearer.
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 January 15, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2002.
- 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.