Electronic oven

Claim 1

IN AN OVEN HAVING HEATING MEANS, MEANS FOR ENERGIZING SAID HEATING MEANS, AND TIMING MEANS FOR GENERATING AN ELECTRICAL SIGNAL A PREDETERMINED TIME AFTER SAID HEATING MEANS HAS BEEN ENERGIZED, THE COMBINATION COMPRISING A METAL WALL HAVING AN APERTURE THEREIN, A CYLINDRICAL HEATING CHAMBER DISPOSED NORMAL TO SAID WALL WITH AN OPEN END ALIGNED WITH SAID WALL, DOOR MEANS SLIDABLE ALONG SAID WALL BETWEEN A FIRST POSITION COVERING SAID OPEN END AND A SECOND POSITION UNCOVERING SAID OPEN END, HOLDING MEANS FOR HOLDING SAID DOOR IN ITS FIRST POSITION, MEANS URGING SAID DOOR MEANS TOWARD SAID SECOND POSITION, A PISTON DISPOSED WITHIN SAID CYLINDER FOR SLIDING MOVEMENT BETWEEN FIRST AND SECOND POSITIONS, MEANS LATCHING SAID PISTON IN SAID FIRST POSITION, MEANS URGING SAID PISTON TOWARD SAID SECOND POSITION, MEANS RESPONSIVE TO SAID DOOR MEANS MOVING FROM FIRST TO SAID SECOND POSITIONS FOR UNLATCHING SAID LATCH MEANS, AND MEANS RESPONSIVE TO SAID ELECTRICAL SIGNAL FOR DISABLING SAID HOLDING MEANS.