Breathing monitor
CA 2207322 A1 · Owner: Walton, Daniel G. · Inventors: Walton, Daniel G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A breathing monitor (20) for detecting SIDS in infants caused by apnea or the like includes an enclosure (22) which is applied to a baby's torso with a strap (26). The enclosure is supported by and isolated from the baby's torso in its entirety by a fluid filled bladder coupler (24) such that there is no direct contact between the enclosure and the baby's torso. A detector including a piezoelectric element (61) is connected to the opposite side of the fluid coupler and a battery powered electronic circuit contained within the enclosure flashes an LED (50) as the baby breathes and sounds an alarm (54) should the baby fail to exhale for a predetermined time period. An adjustable …
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 December 7, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 7, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2016.
- 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.