Improved bed mattress
CA 2419918 A1 · Owner: Piraino, Mario · Inventors: Piraino, Mario
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bed mattress including an outer casing adapted to house one or a plurality of different supportive materials within said casing (1) in distinct transverse regions wherein fixed supportive materials (7 9, 11) are provided , at the top and bottom regions of said mattress corresponding to the head and foot regions of a user; and an intermediate region so formed between is provided with a transverse assay of fixed supportive materials (11) having vacant regions between adjacent materials wherein said outer casing has a , plurality of ports (4) corresponding to said vacant regions which are adapted to facilitate the ready insertion, removal and/or replacement of one or more auxiliary …
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 August 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 23, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 2023.
- 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.