Mat made from natural fibres and glass
CA 2477184 A1 · Owner: Roederer, Francois · Inventors: Vinet, Francois; Roederer, Francois; Droux, Michel
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 mat comprising discontinuous natural fibres and discontinuous glass fibres and the fibrous structures which may be generated using said mat whereby said structures are for reinforcing composite materials. The presence of natural fibres in the mat lends the property of being easy to manipulate and particularly in eradicating the awkward tendency of a mat made exclusively from glass fibre to bend in an uncontrolled manner. Furthermore the mechanical properties of the final composite material are remarkable in particular with regard to the modulus of traction and flexion.
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 February 27, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 27, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 27, 2025.
- 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.