Pouch for the blower unit of a powered air purifying respirator
CA 2481769 A1 · Owner: Odell, Raymond · Inventors: Odell, Raymond; Graves, Jason A.; Curran, Desmond T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pouch is provided for the blower unit of a powered air-purifying respirator system, to isolate the blower unit from hazardous material such as potentiallyexplosive dust or gas. The pouch has an opening at one end through which the blower unit can be inserted into the pouch and is shaped at the other end to , receive the blower unit. It also has air inlet openings positioned to register with air inlets of the blower and permit the connection of the filter cartridges thereto, and an air outlet opening positioned to register with the air outlet of the blower unit and permit the connection thereto of a breathing tube of the respirator system. When the blower unit is inside the pouch …
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 March 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 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.