Portable and personal-sized warm air humidifiers
CA 2177080 A1 · Owner: Glucksman, Dov Z. · Inventors: Glucksman, Dov Z.; Crowhurst, Paul; Chauviaux, Gabriel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable and personal-sized warm air humidifier (300) delivers a steam air mixture having a uniform moisture at a temperature that does not cause a sensation of pain. All the elements of the humidifier (300) are held with a shell (301) which includes a lower housing (303) and a removable upper cover (302). A water storage container (304) supplies water to filling compartment (325) from which it flows to an evaporation compartment (326) where the water is heated by an electric heating element (306). A steam nozzle assembly (307) is used to mix the steam from an evaporation compartment (326) with the air entering the humidifier (300). The warm air humidifier (300) only heats a small portion …
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 November 17, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 17, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 17, 2016.
- 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.