Temperature controlled compartment apparatus
CA 2356419 A1 · Owner: Jin. Zhihui · Inventors: Adamski, Joseph R.; Jin. Zhihui
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A temperature controlled compartment apparatus in the form of a kitchen drawer mounted in an interior compartment that is heated or cooled by one or more thermoelectric, heat pump modules in a housing surrounding the drawer. A fan circulates air from the, drawer past each thermoelectric heat pump module for either heating or cooling the air for, the drawer and another fan or fans circulates external air past each thermoelectric heat, pump module for cooling or heating respectively, that external air. Heating or cooling is, selected by selecting the polarity of the DC electric source provided to each thermoelectric, heat pump module.
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 30, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 30, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 30, 2023.
- 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.