Building unit with laterally related interfitted panel sections

Claim 1

A WALL-FORMING UNIT COMPRISING LATERALLY SPACED PANELS OF SUBSTANTIALLY EQUAL LONGITUDINAL AND TRANSVERSE LENGTH AND A PLURALITY OF RIBS INTEGRALLY FORMED WITH AND EXTENDING LATERALLY FROM A FACE OF EACH OF SAID PANELS, THE RIBS OF BOTH OF SAID PANELS BEING SAPCED AND ARRANGED TO JOINTLY PROVIDE BETWEEN THE PANELS A PLURALITY OF SPACED GROUPS OF RIBS LOCATED WITHIN AND SPACED FROM THE PERIPHERIES OF THE PANELS AND FORMING A PERIPHERAL VOID WITHIN THE PERIPHERIES OF THE PANEL AND AT LEAST ONE VOID BETWEEN THE SPACED GROUPS OF RIBS, THE RIBS OF BOTH PANELS WITHIN EACH GROUP COMPRISING A PLURALITY OF LONGITUDINALLY SPACED ROWS OF RIBS EXTENDING TRANSVERSELY ALONG THE INNER FACE OF THE RESPECTIVE PANEL, THE RIBS OF EACH ROW BEING IN TRANSVERSE SPACED RELATION, THE PERIPHERIES OF ALL OF SAID RIBS PRESENTING A PLURALITY OF RECTILINEAR SURFACES OF SUBSTANTIALLY EQUAL DIMENSION, THE ADJACENT RECTILINEAR SURFACES OF TWO TRANSVERSELY SPACED RIBS OF ONE ROW OF A FIRST PANEL AND THE ADJACENT RECTILINEAR SURFACE OF A RIB LOCATED IN THE ROW IMMEDIATELY ADJACENT SAID LAST-MENTIONED ONE ROW PROVIDING, WITH THE INNER FACE OF SAID FIRST PANEL, AT LEAST ONE LATERALLY EXTENDING VOID SUBSTANTIALLY EQUAL TO THE TRANSVERSE DIMENSION OF THE RIBS FORMED ON THE OTHER PANEL, THE ADJACENT SURFACES OF TWO TRANSVERSELY SPACED RIBS OF ONE ROW OF SAID OTHER PANEL AND THE ADJACENT SURFACE OF A RIB LOCATED IN THE ROW IMMEDIATELY ADJACENT SAID LAST-MENTIONED ONE ROW PROVIDING, WITH THE INNER FACE OF SAID OTHER PANEL, AT LEAST ONE LATERALLY EXTENDING VOID SUBSTANTIALLY EQUAL TO THE TRANSVERSE DIMENSION OF THE RIBS LOCATED ON SAID FIRST PANEL, ALL OF SAID RIBS EXTENDING LATERALLY OF THE INNER FACE OF THE PANELS A DISTANCE SUBSTANTIALLY EQUAL TO THE SPACING OF THE PANELS AND AT LEAST ONE RIB WITHIN EACH ROW OF ONE PANEL EXTENDING WITHIN THE VOIDS DEFINED BY THE RIBS OF THE REMAINING PANEL PROVIDING AN INTERFITTING ENGAGEMENT THEREBETWEEN WHEREBY CEMENTITIOUS MATERIAL MAY BE LOCATED WITHIN THE PERIPHERAL VOID AND THE VOID PARTIALLY FORMED BY THE SPACED GROUP OF RIBS.