Cfrp board and method for making the same
CA 2458702 A1 · Owner: Kitano, Akihiko · Inventors: Shinoda, Tomoyuki; Kitano, Akihiko; Murai, Shoji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A carbon fiber reinforced plastic (hereinafter abbreviated as CFRP) plate , material which is prepared by applying a gel coat or a painting or a combination thereof to a plate product comprising a CFRP reinforced with a fabric comprising a carbon fiber and has a NSIC value of the surface thereof of 30 % or more; and a method for preparing the CFRP plate material. The CFRP plate material is so lightweight as to be suitable for use in an automobile and has a high rigidity and high strength has the surface quality sufficient , to withstand the use for a long period of time and is environmentally , friendly.
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 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 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.