Mattress structure
CA 2305522 A1 · Owner: Reeder, Ryan A. · Inventors: Reeder, Ryan A.; Dalton, Roger D.; Stolpmann, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A matress (52) having a plurality of mattress structure components is provided. The components can be selectively assembled to provide a customized mattress structure that accomodates the musculoskeletal condition and interface pressure preference of the user. The mattress structure components include a perimetral foam frame (74) having a central opening (82). The mattress structure components additionnally include a plurality of cores (88) for filling the central opening (82). The cores (88) can alternatively include either a set of zone foam blocks (92), a sculptured foam core (94) an air , bladder (96), or a combination thereof to provide a variety of firmness and support …
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 9, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 9, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 9, 2020.
- 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.