Food preserving systems
CA 2370200 A1 · Owner: Corsi, Renald M. · Inventors: Corsi, Renald M.; Richmond, Neil E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A refrigeration system (10) for maintaining edible substances at a low temperature of the present invention includes a serving pan (12) an element , (32) for retaining or holding the serving pan (12) and a refrigeration tube , (28) and a glycol medium (22) surrounding the pan (12) is disclosed. The refrigeration tube (28) and glycol medium (22) act together in order to maintain the pan (12) at a low temperature for a prolonged period of time and to provide an even cooling of the pan (12). In a second embodiment the , refrigeration tube (228) may be surrounded by the glycol medium (222). In a further embodiment, the system may be used to heat food rather than to cool food by using a …
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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 May 2, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 2, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 2, 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.