Ventilator face-piece assembly
CA 1087487 A · Owner: Price, William E. · Inventors: Price, William E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Improvements in resuscitator-ventilator assembly having a face-piece and supply head secured to the face-piece and means are provided for supplying compressed air or oxygen through the supply head to the face-piece and means are also provided on the supply head for manually controlling flow of compressed air or oxygen. The improvement comprises a frame secured to the supply head or positioned between the supply head and the face-piece and a control arm pivotally carried by the frame and adapted for manual pivoting movement against the said means to control flow of said oxygen or air. The lower end of the control arm is positioned adjacent a side surface of the face-piece to facilitate 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
- Granted October 14, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 14, 1997.
- 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.