Patent ID: 9247848
Filing Date: 2016-02-02
CPC Classification: A47J,H05B

Claim Text:
1. A temperature-retaining device comprising: an upper wall; a lower wall; a support structure comprising a peripheral wall and coupled to the upper and lower walls to define an enclosed cavity; a temperature-retaining body disposed within the cavity with space between the temperature-retaining body and the lower wall and between the temperature-retaining body and the peripheral wall, the temperature-retaining body being displaced from the lower wall; an insulating body at least coextensive with the temperature-retaining body and disposed between the temperature-retaining body and the lower wall with an air gap between the insulating body and the temperature-retaining body; and an aqueous gas-permeable and liquid-impermeable channel in communication with the cavity and including one or more apertures and at least one aqueous gas-permeable and liquid inhibiting or impermeable element closing the one or more apertures.