Bariatric bed
CA 2295027 A1 · Owner: Price, James H. · Inventors: Brenner, John A.; Salvatini, Benjamin; Fox, Kenneth A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dump valve (74) is provided for selectively inflating and deflating an air cushion (40) on a bed (10). The dump valve comprises an elongated housing (78) having an interior region (80) extending along a longitudinal axis (110) and is mounted to a bed deck (18) so the axis is angled relative to the deck. A connector (90) is coupled to a first end (114) of the housing to couple the housing to an air supply. A piston (88) in the interior region can slide between first and second postitions. The first position permits air to pass from the air supply, into the interior region and through a central opening , (104) to inflate the air cushion. The second position blocks air flow from the …
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 June 25, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 25, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 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.