Method and apparatus for the production of sheets of fibrous material to imitate a porous structure of natural wood
CA 2109763 A1 · Owner: Alpi S.P.A. · Inventors: Senzani, Giovanna
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A method and apparatus for the production of sheets of material to imitate a porous structure of natural wood. According to the invention the, porous structure of a sample surface of a sheet of natural wood is analysed, taking information from it regarding the coordinates of characteristic points of the lines representing the individual pores. Said information is then stored in a process logic unit comprising a computerised design program, providing data which indicate the dimensions of the pores to be formed. The data and information are then converted into control signals for a computerised engraving system which reproduces this porous structure by engraving it …
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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 November 23, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2015.
- 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
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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.