Tierable and nestable receptacle

Claim 1

A RECEPTACLE ADAPTED FOR TIERING AND NESTING WITH OTHER LIKE RECEPTACLES AND HAVING A BOTTOM PORTION, MEANS DEFINING UPPER EDGES LYING GENERALLY IN A PLANE PARALLEL TO AND SPACED ABOVE SAID BOTTOM PORTION, SIDE WALL PORTIONS RIGIDLY CONNECTING SAID BOTTOM PORTION AND UPPER EDGE DEFINING MEANS, A PLURALITY OF UPPER TIERING SUPPORT PORTIONS RIGID WITH SAID UPPER EDGE DEFINING MEANS AND EXTENDING INWARDLY FROM SAID EDGE DEFINING MEANS, SAID UPPER EDGE DEFINING MEANS BEING DIMENSIONED TO PERMIT THE PASSING OF THE BOTTOM PORTION OF A LIKE RECEPTACLE DOWNWARDLY THERETHROUGH IN VERTICAL ALGNMENT SAVE FOR INTERFERENCE OF SAID UPPER TIERING SUPPORT PORTIONS, THERE BEING RECESSES IN SAID BOTTOM PORTION OUT OF VERTICAL LINE BENEATH SAID UPPER TIERING SUPPORT PORTIONS OF A WIDTH AND LENGTH TO PASS SAID UPPER TIERING SUPPORT PORTIONS WHEN THE BOTTOM PORTION OF AN UPPER RECEPTACLE IS MOVED OUT OF VERTICAL ALIGNMENT OVER A LOWER LIKE RECEPTACLE, WHILE MAINTAINING THE BOTTOM PORTION OF THE UPPER RECEPTACLE PARALLEL TO THE BOTTOM PORTION OF THE LOWER RECEPTACLE, THERE BEING CLEARWAYS TO SO PASS THE BOTTOM OF AN UPPER RECEPTACLE DOWN TO A NESTING POSITION IN A LOWER LIKE RECEPTACLE WITH SHIFTING OF SAID TWO RECEPTACLES INTO VERTICAL ALIGNMENT, SAID SIDE WALL PORTIONS BEING SO CONSTRUCTED AND ARRANGED THAT TWO LIKE RECEPTACLES WILL NEST ONE WITHIN ANOTHER, AND THE ABOVE NAMED PARTS PERMITTING NESTING AND TIERING OF TWO LIKE RECEPTACLES WITH THEIR LIKE PARTS IN VERTICAL REGISTRATION ONE ABOVE THE OTHER.