×

Apparatus and method for heated food delivery

  • US 6,433,313 B1
  • Filed: 07/07/2000
  • Issued: 08/13/2002
  • Est. Priority Date: 02/15/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A pizza delivery apparatus comprising:

  • (a) a container comprising a plurality of walls defining a container interior;

    (i) said container including an opening sized for movement of at least one pizza box into and out of the container interior;

    (ii) said container including a flap positioned for selective closing of the opening;

    (b) an enunciating device comprising;

    (i) a temperature sensor for sensing a temperature condition within the container;

    (ii) an electrically powered display for displaying information concerning a temperature condition detected by the temperature sensor; and

    (iii) an enunciating device power source for electrically powering the electrically powered display;

    (c) a heater selectively positionable within the container in heat transfer relationship with the container interior;

    said heater being powered by a heater power source; and

    , (d) a heater controller comprising;

    (i) a switch electrically coupled to the heater for activating and deactivating power from a heater power source to the heater; and

    , (ii) a central processor unit configured to control the switch to;

    (A) cause heating of the heating grid from an initial temperature to a higher temperature, said higher temperature being at least 240°

    F.;

    (B) allow the heating grid to cool to a lower temperature; and

    , (C) thereafter operate the control switch, as programmed, in response to detected temperature conditions;

    (D) said higher temperature being at least 30°

    F. higher than said lower temperature.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×