A ceramic tile provided with a decor
CA 2367840 A1 · Owner: 3 Dts, A.S. · Inventors: Sorm, Michal
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention realates to a ceramic tile provided with a decor caused by means of light effects obtained by passage of light through an at least partially transparent material with a system of arranged formations. The tile is provided with a transparent material, preferably a tile glaze (3). A front printing (5) is provided on the face side of said tile glaze (3) and a back printing (6) is provided behind the back side of said tile glaze (3). The printings (5, 6) are formed by a plane raster containing parallel lines and slits or characters grouped into formations with slits between them whereby , the number of said formations of said back printing (6) and of said slits of said face …
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 24, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 2022.
- 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.