Artificial stone wall material
CA 2492058 A1 · Owner: Availvs Corporation · Inventors: Sakai, Mieko; Saito, Kenichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An artificial stone wall material, characterized in that it comprises an inorganic fine particle component having a size in the range of 180 µm to 9.5 mm containing 5 wt % or more of a transparent inorganic fine particle component, an inorganic finer particle component having a size in the range of less than 180 µm and a resin component it has a concave-convex surface , having a maximum height in the range of 1 mm to 100 mm and is formed into a shape of plates or profiles followed by solidification and the transparent , inorganic fine particle component exposed on the surface thereof and the concave-convex surface provide bright points changing with the change in the irradiation of …
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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 June 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 2025.
- 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.