Apparatus for metering pigments for paints
CA 2118484 C · Owner: Neri, Giuseppe · Inventors: Neri, Giuseppe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for metering pigments for paints and the like comprises a bearing framework thereon there is provided a rotary carousel supporting a plurality, of pigment vessels each provided with a delivery or metering assembly. The main, feature of the invention is that the delivery assembly comprises a valve element, including a closure stem which can be located at a closing position an , opening, position and a draining position in which the stem partially projects from the delivery, nozzle.
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 October 19, 1994 and granted October 1, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 19, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 19, 2016.
- 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.