Mold for concrete structures

Claim 1

A MOLD FOR CASTING AN UPRIGHT CONCRETE WALL STRUCTURE HAVING UPRIGHT SERIES OF LADDER FORMING STEP IRONS OR THE LIKE PARTIALLY INMBEDDED THEREIN AND PARTIALLY PROJECTED THEREFROM, SAID MOLD COMPRISING A PAIR OF SPACED MOLD FORMS PROVIDING A CASTING SPACE BETWEEN THEM, ONE OF SAID FORMS COMPRISING A RIGIDLY CONNECTED PAIR OF TRANSVERSELY SPACED UPRIGHT WALL SECTIONS HAVING TRANSVERSELY SPACED OPPOSED PARALLEL UPRIGHT SIDE EDGES DEFINING AN UPRIGHT SPACE OPENING TO SAID CASTING SPACE, A PAIR OF TRANSVERSELY OPPOSED PARALLEL SIDE WALLS RIGIDLY CONNECTED TO SAID WALL SECTIONS EXTENDING FROM SAID SIDE EDGES THEREOF AWAY FROM SAID CASTING SPACE, A PLURALITY OF SUPERIMPOSED MOLD FORM SECTIONS ENGAGED IN SAID UPRIGHT SPACE AND ENGAGEABLE THEREIN FROM THE CASTING SPACE SIDE THEREOF, EACH SAID MOLD FORM SECTION COMPRISING AN UPRIGHT WALL TRANSVERSELY SPANNING SAID UPRIGHT SPACE AND HAVING PARALLEL SIDE EDGES ENGAGED WITH SAID PARALLEL SIDE EDGES OF SAID UPRIGHT WALL SECTIONS, SHELF MEANS CARRIED BY AT LEAST SOME OF SAID MOLD FORM SECTIONS EXTENDING AWAY FROM SAID CASTING SPACE FOR SUPPORTING A STEP IRON OR THE LIKE PARTIALLY PROJECTED WITHIN SAID CASTING SPACE, CLAMPING MEANS CARRIED BY SAID MOLD FORM SECTIONS FOR CLAMPING SAID STEP IRONS OR THE LIKE UPON SAID SHELF MEANS, AND LATCHING MEANS FOR RELEASABLY CONNECTING SAID MOLD FORM SECTIONS TO SAID OPPOSED SIDE WALLS.