Yoke for a harness of a respirator
CA 1260797 A · Owner: Siebe North, Inc. · Inventors: Montesi, Edward N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A yoke for the face piece of a respirator is formed from plastics material and is provided with hinge portions of lesser thickness than the remainder of the yoke, which are stressed during assembly of the respirator to resiliently position wings of the yoke as dihedrals.
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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.