Flat-foldable food box

Claim 1

IN A FLAT-FOLDABLE BOX INCLUDING VERTICAL WALLS HINGED TOGETHER AT VERTICAL CORNERS AND CLOSED AT THE BOTTOM BY LOWER WALL EXTENSION POTIONS HINGED, RESPECTIVELY, TO SAID WALLS BEING UNFOLDABLE TO FORM OVERLAPPING BOTTOM PANELS, AND HAVING A GABLED UPPER CLOSURE, IN COMBINATION A PAIR OF HINGED UPPER WALL EXTENSIONS ON OPPOSED SIDES, RESPECTIVELY, BEING DIMENSIONED TO FOLD INWARDLY TO FORM LATERALL GABLE ROOF SURFACES, A PAIR OF END CLOSURE MEMBERS HINGEDLY CONNECTED AS UPPER WALL EXTENSIONS OF OPPOSED ENDS, RESPECTIVELY ALONG ARCUATE LINES CONVEX DOWNWARDLY AND BEING CREASED FROM THE ENDS OF SAID LINES UPWARDLY TOWARD A CENTRAL POINT OF FORM FOLD LINES WHEREBY SAID END EXTENSIONS FORM EACH A "PIE-SHAPED" CLOSURE MEMBER SLOPED FROM THE END WALLS INWARDLY TOWARD THE CENTER OF SAID GABLE, SAID SIDE WALLS EXTENSIONS FURTHER HAVING UPPER EXTENSIONS FOLDABLE TO FORM A COMPOSITE HANDLE AND INCLUDING LOCKING MEANS FOR HOLDING SAID UPPER EXTENSIONS JOINED AT SAID HANDLE, ONE SAID SIDE WALL EXTENSION HAVING A FURTHER EXTENSION HINGEDLY FOLDABLE BENEATH THE OTHER SAID WALL EXTENSION AND IMMEDIATELY ABOVE POINTS OF SAID "PIESHAPED" CLOSURE MEMBERS TO FORM A REINFORCED GABLE CLOSURE, THE OTHER SAID SIDE WALL EXTENSION HAVING A FURTHER HINGED LOCKING MEMBER FOLDABLE OVER SAID FURTHER EXTENSION THEREBY TO OVERLAP A PORTION OF THE SIDE WALL EXTENSION OPPOSITE THERETO FOR LOCKING SAID LATERAL SURFACES IN MUTUAL ENGAGEMENT ABOVE SAID FURTHER EXTENSION, MEANS HANGING SAID END EMEMBERS ALONG ARCUATED LINES COMPRISING TENSIONED SPRING MEANS WHEN IN THE CLOSED POSITION TO THRUST SAID "PIE-SHAPED" MEMBER UPWARD AGAINST SAID REINFORCED GABLE CLOSURE.