Respirator hood
CA 1180629 A · Owner: Autergesellschaft G.M.B.H. · Inventors: Von Kopp, Gunter; Grosenick, Bernd; Zloczysti, Stefan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a respirator hood for use as a fire escape device or the like which comprises an outer hood adapted to fit about the head of a wearer and having a wide neck opening through which the head of a wearer may be inserted with ease, an inner mask mounted within said hood and adapted to encircle the mouth and nose of the wearer in use seal means, disposed between the hood and inner mask and arranged to isolate an eye surrounding area of the hood from the neck opening strapping means for securing the hood to the head of the wearer retaining flap means projecting rearwardly from said inner mask on opposite sides thereof and being adapted to be secured to said strapping …
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 January 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 2002.
- 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.