Water saving device for a flush toilet
CA 2094233 A1 · Owner: Pigeon, E. Richard · Inventors: Pigeon, E. Richard; Drouin, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A water saving device for a flush toilet having a water tank and a buoyant type flapper valve that in a closed position covers an outlet opening in the bottom of the water tank. The device comprises a modified lift arm directly connected at one end to a flushing handle to be pivoted thereby with a second portion, of the arm being positioned generally above the flapper valve. In place of the usual chain, a rod is provided connected at its, lower end to the flapper valve and at its upper end to the free end of the arm. Movement of the handle in one direction initiating a flush cycle, will pivot the lift arm and through the, rod, raise the flapper valve to an open position to permit discharge …
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 April 16, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 16, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 16, 2015.
- 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.