Shoe boxes

Claim 1

A SHOE BOX INCLUDING: AN OUTER CARTON OF RECTANGULAR FORM HAVING TUBULARLY CONNECTED TOP, BOTTOM, AND SIDE WALLS, CLOSURE FLAPS AT OPPOSITE ENDS OF AT LEAST CERTAIN OF SAID WALLS FOLDABLE TO PROVIDE END CLOSURES, A LINER IN SAID CARTON HAVING A BASE PANEL INWARDLY OF, AND SUBSTANTIALLY COEXTENSIVE WITH, SAID BOTTOM WALL, AND SIDE PANELS HINGEDLY CONNECTED TO THE SIDE EDGES OF SAID BASE PANEL AND LYING INWARDLY OF SAID CARTON SAID WALLS, A CUT LINE EXTENDING ACROSS SAID BASE PANEL TO SAID THE LINES OF HINGE CONNECTING SAID BASE PANEL TO SAID SIDE PANELS AND TERMINATING IN SAID SIDE PANELS, A FOLDABLE LINE EXTENDING ACROSS SAID BASE PANEL IN SPACED PARALLEL RELATION TO SAID CUT LINE TO THE SAID LINES OF HINGE, FOLD LINES CONNECTING THE ENDS OF SAID CUT LINE TO THE CORRESPONDING ENDS OF SAID FOLD LINES, PROVIDING SUBSTANTIALLY TRIANGULAR GUSSET FLAPS IN SAID SIDE PANELS, WHEREBY WHEN SAID GUSSET FLAPS ARE FOLDED INWARDLY INTO FACE CONTACT WITH ADJOINING PORTIONS OF SAID SIDE PANELS, THE PORTION OF SAID BASE PANEL BETWEEN SAID CUT LINE AND SAID PARALLEL FOLD LINE MAY BE HINGED OUT OF THE PLANE OF SAID BASE PANEL TO FORM A HEEL ENGAGING ABUTMENT.