Mattress with interactive elastic elements
CA 2293905 A1 · Owner: Esperides S.R.L. · Inventors: Gandolfi, Stefano
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mattress (10) with interactive elastic elements comprising a number of hollow polyhedrons (11) with an octagonal base, made of an elastic and/or yielding material, arranged in longitudinal rows (12) interconnected and held in position within each row (12) by linings (30) made of a textile material enclosing the individual rows (12) of polyhedrons (11) or by guide bars (13) attaching to them by coupling devices (14) arranged on two lateral faces (15) opposing each other. Under the weight of an outstretched body (30) on the surface (21) of the mattress (10), each elastic polyhedron (11) compresses while bulging out transversally and exerting a pressure on the adjacent elastic elements (11), …
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 4, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 4, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 4, 2022.
- 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.