Cold weather mask with under-chin spacer
CA 1311088 C · Owner: Edwards, Joseph H. · Inventors: Edwards, Joseph H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A mask has a face member sized and shaped to fit about the face. It extends from an upper edge proximate the bridge of the nose and eye socket areas downward to the junction of the jaw with the neck area. The mask has ear sections which extend over the ears and three coacting velcro sections spaced apart to fasten the mask at the back of the head of the user.
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 December 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 2009.
- 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.