Frozen aerated product in a container and a valve for dispensing such
CA 2558088 C · Owner: Luck, Richard Henry · Inventors: Keenan, Robert Daniel; Feenstra, Robert Theodoor; Luck, Richard Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A frozen aerated product in a container is provided. The product is under a pressure of between 4 and 18 barg, and the container is provided with a valve. The valve has a flow rate of above 6 g s-1 preferably between 10 and 30 g s-, 1. The flow rate of the valve being the mass flow rate at which the frozen aerated product, having a temperature of -18oC is discharged through the , fully open valve to atmospheric pressure. Also provided are valves suitable for dispensing viscous products at high flow rate whilst retaining a low opening and actuation force.
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 February 28, 2005 and granted September 25, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 28, 2025.
- 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.