Gas diffusing assembly
CA 1046401 A · Owner: Hudson Oxygen Therapy Sales Company · Inventors: Ruksenas, Miguel A.; Price, John H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An assembly for diffusing gas in a humidifier comprises a base plate having a wall extending around its periphery a diffuser sheet comprising a, substantially gas impermeable membrane having a plurality of perforations and a member for directing gas to be humidified into a gas receiving chamber defined between the diffuser sheet and base plate. In a humidifier the, assembly is submerged in water and gas travels through the gas directing member, into the gas receiving chamber and outwardly through the perforations in the diffuser sheet into the water where it is humidified and exits from the humidifier.
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 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 1996.
- 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.