Rotary siphon flusher
CA 2178051 C · Owner: Young, Randy C. · Inventors: Young, Randy C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary siphon flushing device for use inside a water storage tank of a conventional commode or toilet. A siphon exhaust member is secured to the drainage port of the water storage tank. A rotary arm is axially attached to the siphon exhaust member. The rotary arm fills with water as the tank water level rises. A conventional pull chain lever rotates the rotary arm into the siphon exhaust member thereby inducing a siphon flushing action. The rotary arm rotates back to a filling position after the 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 June 3, 1996 and granted July 6, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 3, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 3, 2018.
- 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.