Headrest for automotive seat
CA 2238853 C · Owner: Tachi-S Co. Ltd. · Inventors: Takei, Yoshiyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A generally annular or donut-like headrest for use on an automotive seal is formed by a donut-like trim cover assembly having an opening a generally, "U" shaped headrest frame and a sealing and connecting frame. These parts are integrally joined using a foaming process. The headrest frame is placed in the donut-like trim cover assembly, with two stay portions thereof projecting outwardly from the opening. The sealing and connecting frame has a groove and is connected between the two stay portions. The edge forming the opening fits into the groove, which effectively prevents leakage of a liquid foaming base, material through the opening during the foaming process. A location element is …
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 May 28, 1998 and granted January 22, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 28, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2020.
- 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.