Patent ID: 6989517

Claim:
A delivery device for delivery of food, said delivery device comprising: (a) a container sized to be carried during a food delivery, the container defining an interior area and an opening to the interior area; (b) an electrical device configured to change the temperature of the interior area, relative to an ambient temperature, and positioned within the interior area of the container, and; (i) the electrical device configured to change the temperature of the interior area being powered by a power source, the power source being remote from the container; (ii) the electrical device configured to change the temperature of the interior area also being configured to remain with and be transportable with, the container during a food delivery; and (c) an indicator device including: (i) an energy storage device positioned on the delivery device, to travel therewith during a food delivery, (A) the energy storage device being configured to selectively provide energy to the indicator device even when the electrical device configured to change the temperature of the interior area has been separated from the power source during a food delivery; and (ii) an electrically powered arrangement powered by the energy storage device when the electrical device configured to change the temperature of the interior area has been separated from the power source during a food delivery; (A) the electrically powered arrangement being configured to selectively provide information to a user during a food delivery even when the electrical device configured to change the temperature of the interior area is not powered.