Plastic reinforced wood flooring for trailers and method and apparatus for manufacturing same
CA 2339832 A1 · Owner: Ehrlich, Rodney · Inventors: Smith, Michael J.; Ramani, Karthik; Ehrlich, Rodney
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 novel structure for forming a reinforced wood composite panel (20), and the method and apparatus for forming the same. The reinforced wood composite panel is preferably used to form a floor (22) of a trailer (24). The reinforced wood composite panel is formed of a wood board (28) having a plastic layer (32) bonded thereto. The plastic layer is formed from thermoplastic material having an adhesion bonding properties therein which allows the plastic layer to be bonded to the wood or is formed from a , polymer which de-polymerizes on melting forming a low viscosity polymer, and , solidifies upon cooling. The adhesion properties cause the plastic layer to …
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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 August 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 23, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 2021.
- 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.