Faucet assembly with easy-install pre-rinse unit mechanism
CA 2470878 C · Owner: T & S Brass And Bronze Works, Inc. · Inventors: Weaver, Mark
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A faucet assembly with a vertical riser that is easier to install both for an initial installation and a retrofit installation. The faucet assembly has a main faucet body that defines an axially extending cavity. A positive locking mechanism in the form of a resiliently compressible star lock washer is disposed to rest on the bottom of the cavity which is provided with an opening that communicates with a pressurized water service. A hollow adapter sleeve is inserted into the cavity on top of the star lock washer. An O-ring between the exterior of the adapter sleeve and the surrounding sidewall that defines the cavity effects a water tight fit between the adapter sleeve and the sidewall. 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 June 14, 2004 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 14, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 14, 2026.
- 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.