Light weight seating furniture construction with so-called memory effect
CA 2540281 A1 · Owner: Niekel, Edwin Johannus · Inventors: Regtien, Taco; Niekel, Edwin Johannus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Light weight seating furniture (5) construction with a very high memory effect. The seating furniture is light weight and when constructed as a sphere completely shape-retaining after the removal of the seating load and thereof easy to transport, e.g. by rolling over the floor. The light weight seating furniture (5, 9) construction comprises a shell construction which is deformable under seating load and which is filled up with an number of relatively small shape-retaining particles for support and advancement of the temporary shape-retaining property of this shell construction when a person is positioned thereupan. The shell construction consists of geometrically shaped air …
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 October 15, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 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.