Expired Canadian patentCanada
Sanitary water valve
CA 2090475 C · Owner: Ideal-Standard Gmbh · Inventors: Nikolayczik, Hans
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sanitary valve has parallel engaging valve disks 3 4, 5 in a housing of which two 3, 4 are nonrotatable and a third 5 is fixed. Recesses 12, 13 are formed in the valve disks and these recesses have steps 14 of which one or more is provided with teeth 15.
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 25, 1991 and granted February 16, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 25, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 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.
FiledJune 25, 1991
GrantedFebruary 16, 1999
Term endedJune 25, 2011
Patent numberCA 2090475 C
Classification (IPC)F16K47/02 +1 more
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.