Means for sensing frost accumulation in a refrigeration mechanism
CA 1065630 A · Owner: P.R. Mallory And Co. Inc. · Inventors: Pomerantz, Daniel I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a refrigeration mechanism including a refrigerant a means, for pressurizing the refrigerant. a means for liquifying the refrigerant, a means for vaporizing the refrigerant and a means for circu-, lating air to be refrigerated the improvement comprising a means for sensing frost accumulation which includes a capacitance sensitive element disposed within the means for vaporizing the refrigerant.
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
- Granted November 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 6, 1996.
- 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.