Convection heat booster

Claim 1

AN APPLIANCE FOR MAGNIFYING AIR CONVECTION CURRENTS OF AN ELEVATED SPACE HEATER, COMPRISING A GENERALLY RECTANGULAR HOLLOW CASING HAVING A FORWARDLY DIRECTED RECTANGULAR EXTENSION, SAID CASING HAVING IMPERFORATE VERTICAL SIDE, REAR, FRONT AND BOTTOM WALLS, SAID CASING HAVING AN APERTURED FIRST TOP WALL FOR ADMITTING AIR INTO THE CASING, SAID EXTENSION HAVING AN APERTURED SECOND TOP WALL FOR PASSING AIR OUT OF THE CASING, AN AIR BLOWER COMPRISING A MOTOR AND A FAN DRIVEN BY THE MOTOR DISPOSED IN THE CASING, BAFFLE MEANS FOR GUIDING AIR THROUGH THE CASING AND EXTENSION, SAID CASING EXTENSION BEING SHORT ENOUGH IN HEIGHT TO FIT UNDERNEATH SAID HEATER TO DRIVE AIR STREAMS THERETHROUGH, AN ELECTRIC CABLE CONNECTED TO SAID MOTOR IN A NORMALLY OPEN POWER SUPPLY CIRCUIT WITH A THERMOSTAT SWITCH, CLAMP MEANS SUPPORTING SAID SWITCH AND INCLUDING MEANS FOR ATTACHING SAID THERMOSTAT TO SAID HEATER OUTSIDE THE CASING SO THAT THE THERMOSTAT IS HEATED BY THE HEATER FOR CLOSING SAID CIRCUIT TO ENERGIZE SAID MOTOR, AND PERMANENT MAGNETS DISPOSED IN THE CASING ADJACENT SAID FRONT WALL FOR MAGNETICALLY ENGAGING SAID CASING TO SAID HEATER TO PREVENT ACCIDENTAL DISPLACEMENT OF THE APPLIANCE WITH RESPECT TO THE HEATER WHILE SAID EXTENSION EXTENDS UNDER THE HEATER.