Vehicle seat
CA 2558828 C · Owner: Nagayama, Masaki · Inventors: Ishima, Shinya; Nagayama, Masaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle seat of the present invention comprises a seat cushion and a seat back formed by covering a surface of a seat pad with a top cover member a , plurality of air holes which penetrate the seat pad to reach a surface of the top cover member a plurality of , air outlets which project from a surface of a duct to be connected to the air holes, and an air blower to pressure and feed air inside a vehicle compartment to the air holes through the duct and the air outlets. Further an , engagement portion which projects in a radial direction of one of the air outlets is provided at a tip of the one of the air outlets. Instead, a bellows structure is provided at two or more positions …
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 March 23, 2005 and granted January 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 23, 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.