Sheet material
CA 2260125 A1 · Owner: Moeder, Claudio · Inventors: Moeder, Claudio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rigid or semi-rigid plastics sheet material comprises a pair of opposed faces (20, 22) between which run elongate voids defined by interconnections (24, 25) between the two opposite faces the cross-sectional shape of at least some of the voids being a polygon with more than four sides preferably a , repeating pattern of regular hexagons or octagons joined in a line at adjacent sides or apices and including triangular secondary voids therebetween. Advantages include higher strength, lighter weight and faster cooling during the extrusion process.
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 January 9, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 9, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 9, 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.