Face mask support
CA 2496154 A1 · Owner: Quinn, Stephen H. · Inventors: Bordewick, Steven S.; Quinn, Stephen H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A face mask support for CPAP comprising a hemispheric cap with biasing means support at the medial line of the head. The circumferential edge of the cap extends from the high forehead to below the inion protrusion at the nape of the neck. A biasing means which is preferably of length of spring steel is formed so as to extend from the biasing means support to form a loop around a face mask. The biasing means may be adjusted to accommodate facial configurations and to vary the pressure with which the face mask is opposed to the face. In an alternative embodiment the support is open and is comprised , of a circumferential band extending from the high forehead to below the inion …
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 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 19, 2025.
- 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.