Reconstructed wooden beam
CA 2272465 A1 · Owner: Laurencot, Marie-Therese · Inventors: Laurencot, Marie-Therese; Laurencot, Jean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a reconstructed wooden beam characterised in that it essentially comprises a central structure or core (1) and an external covering (2) secured to said central structure or core (1) said central structure or core (1) being made from pieces of wood (4) of at least one species and in that part of the pieces of wood (3 4) constituting the central structure or core (1) and the external covering (2) respectively has been previously heated at high temperature. The invention is useful for the decorative and structural construction of buildings.
Read the whole patent
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 21, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 21, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 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.