Steam generator
CA 2036909 A1 · Owner: Tsutsumi, Hidemi · Inventors: Tsutsumi, Hidemi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A steam generator for generating steam from hot water supplied thereto. The steam generator has a closed main part equipped with a hot-water supply port an air inlet, a, discharge port and a steam outlet. Hot water received from the hot-water supply port is distributed in the main part so as to contact with air coming through the air inlet and, the thus generated steam is discharged through the steam outlet. Warm water formed as a result of steam generation is discharged from the discharge port.
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 February 22, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 22, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 22, 2013.
- 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.