Improvements in or relating to moulding materials
CA 2445149 C · Owner: Advanced Composites Group Limited · Inventors: Corden, Thomas; Choudry, Arshad; Steele, Mark Raymond
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A moulding material (10) comprising a fibrous layer (12) carrying resinous material (14) to have at least one area (16a 16b, 16c and 16d) of relatively , high resin content and at least one other area (18a 18b and 18c) of , relatively low resin content (18a 18b and 18c) defined on a surface (20) of the fibrous layer (12) such that upon curing or partial curing resin from the said relatively high resin content area(s) (16a 16b, 16c and 16d) moves over , the relatively low resin content area(s) (18a 18b and 18c) to provide a , substantially even distribution of resin between the areas.
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 April 23, 2002 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 23, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 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.