Dispenser with improved supply-closing means
CA 2606670 C · Owner: Keltec B.V. · Inventors: Brouwer, Markus Franciskus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a dispenser, particularly suitable for a liquid container, comprising: an air pump with an air cylinder (23) and an air piston (3) axially displaceable in the air cylinder an air space (19) defined , between the air cylinder and the air piston supply-closing means (39) for , closing the air supply to the air pump discharge-closing means for closing , the air discharge from the air pump a cover (1) connected to the air piston an air inlet opening (12) in the cover wherein the air inlet opening , debouches directly into the air space and an annular element (39) which , extends axially on the inside of the cover and which comprises an edge part which edge part is in …
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 20, 2006 and granted March 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 20, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.