In-home drink dispenser
CA 1331972 C · Owner: Jeans, Edward Lewis · Inventors: Jeans, Edward Lewis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a post mix in-home carbonated drink dispenser which has a novel expansion chamber and an anti-surge valve. The expansion chamber is a gradually expanding chamber which reduces carbonation loss as the carbonated liquid passes from the carbonator to the point where the liquid is discharged. The anti-surge valve, which is provided between the carbonator and the expansion chamber is designed to reduce the spitting and sputtering often experienced on start-up of a drink dispenser. The dispensing valve of the present invention is part of the carbonator and not the dispensing head. This means that no carbonated water exists outside the carbonator. In addition the, dispenser is …
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
- Granted September 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 13, 2011.
- 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.