Moulded wood composites having a nesting profile
CA 2439501 A1 · Owner: Smith, Darrell M. · Inventors: Rinker, William E.; Smith, Darrell M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A molded wood composite article man-made from wood fibers or wood particles on at least an upper, molded surface of the article and a method of , manufacturing the article to include a relatively uniform density detailed , design contours and textured aesthetics on one or more molded depressioninterior inclined surfaces, while preventing embrittlement softness and , blistering of the article along the depression-interior inclined surfaces. These attributes are achieved by molding one or more depressions into an initially planar layer of cellulosic material wherein the molded depressions , have a length to depth ratio in the range of about 5.0 to about 8.5 and have , one or more inclined …
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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 March 8, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 2024.
- 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.