Method for forming pattern on a synthetic wood board
CA 2196264 A1 · Owner: Ein Engineering Co. Ltd. · Inventors: Nishibori, Sadao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method for forming a pattern on a synthetic wood board to form, on a surface of the synthetic wood board a pattern such as wooden, grain and the like which is close to natural wood to enhance the reality of woody like, appearance. The synthetic wood board is formed by mixing 35- 80 wt% of thermoplastic resin material and 20- 65 wt%. By a first grinding process the synthetic, wood board is formed at its entire surface of at least one side thereof with a large number of wound stripes in one direction. By a colorant coating process a colorant is, coated on the surface on which said wound stripes are formed the colorant impregnates, in wood meal on the surface …
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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 January 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 29, 2019.
- 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.