Laminate production utilising improved pressplate
CA 2467784 A1 · Owner: Price, David Elwyn · Inventors: Price, David Elwyn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for forming a laminated abrasion resistant product includes superposing at least one resin containing layer impregnated with abrasionresistant particles, with respect to a substrate and pressing the layer and , substrate together in a press containing one or more hot platens for activating the resin or an adhesive between the layer and the substrate. The press includes one or more pressplates that engage a respective surface of the layer with a first textured face thereof to impart a corresponding finish to the engaged surface of the layer. At least one of the pressplates has a second textured face on the other side of the plate from the first textured face the , press …
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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 November 20, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 20, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 20, 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.