Refrigeration apparatus
CA 2501407 A1 · Owner: Unilever Plc · Inventors: Uijen, Wilhelmus Adrianus Theodorus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A refrigeration apparatus with two compartments (1 2) operating at two , different temperatures wherein a freezer comprising a storing volume adapted to receive products to be stored at a temperature below 0oC an evaporator (5) , within said storing volume and a compressor (6) located outside said storing volume, is fitted with a storing box, adapted to receive products to be stored at a temperature above the temperature in the storing volume located within , the storing volume, said box being fitted with heating means (7).
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 October 14, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 14, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 14, 2025.
- 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.