Portable air-cooling system
CA 2312282 A1 · Owner: Chan, Stephen · Inventors: Chan, Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable cooling system has a drink container with a drink inlet opening in the top of the, container, a removable closure closing the opening and a chilled drink in the drink container. An air duct extends through the drink in the container to the exterior of the container. A, battery-driven air blower is attached to the container and forms therewith a portable device, and the battery-driven blower has an air outlet connected to the air duct which extends, upwardly through the removable closure to the exterior of the drink container. A drinking, tube extends from the exterior of the container into the chilled drink.
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 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 23, 2022.
- 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.