Portable electric greenhouse

Claim 1

IN A ROTATABLE GREENHOUSE, A BASE OF MOLDED FOAMTYPE HEAT INSULATING MATERIAL INCLUDING A BOTTOM WALL AND INTEGRAL UPSTANDING SIDE WALLS, AN ELONGATED ELECTRICAL HEATING ELEMENT CONVOLUTED TO FORM A PLURALITY OF SPACED PARALLEL STRAIGHT PORTIONS JOINED AT ADJACENT ENDS BY BENT PORTIONS, SAID STRAIGHT AND BENT PORTIONS BEING CARRIED BY THE BASE BOTTOM WALL FOR READY PASSAGE OF HEAT THEREFROM TO THE INTERIOR OF THE GREENHOUSE, A PLURALITY OF TRAY-SUPPORTING BOSSES INTEGRAL WITH THE BASE BOTTOM WALL, SAID BOSSES BEING SO LOCATED WITH RESPECT TO THE HEATING ELEMENT STRAIGHT PORTIONS THAT EACH SUCH STRAIGHT PORTION IS OVERLAID BY AT LEAST ONE OF SAID BOSSES, MEANS FOR ESTABLISHING AN ELECTRICAL CIRCUIT BETWEEN SAID HEATING ELEMENT AND A SOURCE OF ELECTRIC POWER, SAID LAST-MENTIONED MEANS INCLUDING A THERMOSTAT DISPOSED IN CLOSE PROXIMITY TO AT LEAST ONE OF THE HEATER ELEMENT PORTIONS, WHEREBY IT IS RESPONSIVE AT LEAST IN PART TO THE HEAT OF SAID HEATING ELEMENT, MEANS SECURING SAID THERMOSTAT IN THE ABOVE-MEMTIONED POSITION, AND MEANS PROTECTING SAID THERMOSTAT FROM MOISTURE.