A new kind of electrical-powered cooling/icing device
CA 2209155 A1 · Owner: Dong, John · Inventors: Dong, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new kind of electrical-powered cooling/icing device for cryotherapeutic/paramedical body cooling/icing. It constitutes a Thermal Electric Cooler to generate coldness. Unlike other existing icing products, only this invention can deliver timed ON/OFF cycling pattern (such as therapeutic-favorite 10-minute ON 10-minute OFF), controlled, temperature range with full automatic operation maintenance-free, and mobile operation. It is practical and ideal for ordinary "lazy"/busy cooling/icing users. The users of this invention can wear it while performing other tasks e.g. watching TV, reading, operating, a computer even moving around for some physical work without other icing products'continuous …
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 August 1, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 1, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 1, 2019.
- 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.