Odor exhausting apparatus for water closet
CA 2381606 A1 · Owner: Lee, Doo-Gyun · Inventors: Lee, Doo-Gyun
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The object of this invention is to provide a toilet and an odor exhausting apparatus for such toilets, designed to quickly suck odor from the toilet bowl to a chimney pot installed on the rooftop during defecation or urination so as to quickly expel the odor into the atmosphere outside a house. In the apparatus, the seat (3) has a cavity (1d) a plurality of odor suction ports , (1f) a tubular hinge joint (2) and an odor outlet port (1e). A connection pipe (6), having an inlet port (6a), is set within the hinge joint (2). A seat cover (8) is coupled to the connection pipe (6) through a toothed engagement. A tubular shaft (7), having an inlet port (7a) is rotatably set within the , …
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 July 26, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 26, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 2022.
- 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.