Method for producing sheets of solid surfacing and solid surfacing produced thereby
CA 2265031 A1 · Owner: Premark Rwp Holdings, Inc. · Inventors: Hautala, Richard Roy; Gaa, Peter Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method for producing sheets of polymeric surfacing the, sheets produced thereby, and the apparatus used to produce the sheets. The method includes providing a solid polymeric slab and slicing the slab into, sheets of surfacing. The sheets may include polymeric particles contained in a polymeric matrix. The particles may have a maximum linear dimension that is greater than the final thickness of the sheets thereby resulting in , an, aesthetically pleasing "chunky" appearance. The apparatus used to slice the sheets produces a relatively smooth, uniform surface and is capable of, dramatically limiting the amount of variation in thickness within a finished sheet.
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 March 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 2021.
- 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.