Method for stiffening a sheet of wood, and a sheet of wood
CA 2253885 A1 · Owner: Dabnell, Kent · Inventors: Dabnell, Kent
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for stiffening a sheet (1) of solid wood and a sheet of wood. The sheet of wood consists of an integral piece of wood or a plurality of wood strips which are joined together and have substantially parallel grains. By means of the method of the invention the sheet (1) of , wood is stiffened to prevent the substantially straight sides (4) of the sheet from bending. The stiffening member (8) does not form any projections and does not cause any disadvantageous crack formation in the sheet of wood which , would damage the protective surface treatment. On account of the stiffening member (8) which is provided completely inside the sheet of wood the product …
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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 May 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 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.