System of construction of terraces with drainage means

Claim 1

A TERRACE CONSTRUCTION COMPRISING, IN COMBINATION, A PLURALITY OF INDIVIDUAL H-SHAPE, VERTICALLY ELONGATED, SUBSTANTIALLY IDENTICAL BLOCKS RESTING LOOSELY IN LONGITUDINALLY SPACED RELATION ON BASE MEANS SUCH AS SUBSTANTIALLY PARALLEL SUPPORT BEAMS; EACH BLOCK BEING AN INTEGRAL MEMBER INCLUDING A PAIR OF SUBSTANTIALLY PARALLEL EQUAL LENGTH LEGS INTERCONNECTED BY A SUBSTANTIALLY HORIZONTAL CROSS BAR DISPOSED NEARER TO ONE END OF THE BLOCK THAN TO THE OTHER END, AND SPACED SUBSTANTIALLY FROM BOTH ENDS; SAID BLOCKS BEING POSITIONED TO DEFINE, IN PLAN, A SERIES OF SUBSTANTIALLY CONGRUENT RECTANGLES; A PLURALITY OF SUBSTANTIALLY CONGRUENT RECTANGULAR TILES EACH HAVING A SUBSTANTIALLY FLAT UPPER SURFACE AND DOWNWARDLY AND INWARDLY SLOPING PERIPHERAL EDGES FORMING PERIPHERAL LIPS AROUND THE LOWER SURFACE OF THE TILE, EACH TILE RESTING LOOSELY ON THE UPPER ENDS OF FOUR OF SAID BLOCKS AND HAVING RECTANGULAR DIMENSIONS SUCH AS TO EXTEND SUBSTANTIALLY TO THE VERTICAL PLANE MIDWAY BETWEEN THE LEGS OF THE SUPPORTING TILE; ADJACENT TILES BEING IN SUBSTANTIAL ABUTMENT WITH EACH OTHER AT THE LATERAL EDGES OF THEIR UPPER SURFACES; AND A RECTANGULARLY RETICULATED GUTTER NETWORK LOOSELY RESTING ON CROSS BARS OF SAID BLOCKS AND INCLUDING RESPECTIVE BRANCHES EACH EXTENDING BENEATH THE ABUTTING EDGES OF ADJACENT TILES; SAID GUTTER NETWORK HAVING A DRAINAGE SLOPE PROVIDED BY ORIENTING SAID BLOCKS SO THAT THE BLOCKS AT THE UPPER END OF SAID SLOPE HAVE THEIR CROSS BARS NEARER THE UPPER ENDS OF THEIR LEGS, AND THE BLOCKS AT THE LOWER ENDS OF SAID SLOPE HAVE THEIR CROSS BARS NEARER THE LOWER ENDS OF THEIR LEGS.