Foam element having molded gas passageways and process for production thereof
CA 2417993 A1 · Owner: Woodbridge Foam Corporation · Inventors: Smith, Matt; King, Adam
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In one of its aspects, the invention relates to a foam element comprising an isocyanate-based foam matrix having surface at least a portion of the surface , comprising at least one channel (210) having a channel surface the channel , surface being coated with a substantially fluid impermeable material. The foam element is particularly useful in a climate-control vehicular (e.g. automobile) seat.
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 3, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 3, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 3, 2023.
- 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.