Spacer for building construction

Claim 1

A SPACER FOR MAINTAINING A REINFORCING ELEMENT IN SPACED RELATION TO A BASE, SAID SPACER COMPRISING TWO SUBSTANTIALLY IDENTICAL MEMBERS INTERFITTINGLY INTERLOCKED IN MUTUALLY INVERTED RELATIONSHIP, EACH MEMBER COMPRISING A SUBSTANTIALLY FLAT BODY PORTION HAVING AN ELEMENT-RECEIVING SEAT AT THE GEOMETRICAL CENTER THEREOF, EACH MEMBER FURTHER INCLUDING A RECESS EXTENDING FROM A FIRST EDGE OF SAID BODY PORTION TO SAID SEAT AND COMMUNICATING THEREWITH, EACH RECESS BEING DEFINED BY SERRATED BOUNDING EDGES, AND OPPOSITELY EXTENDING INTEGRAL LEGS ON EACH OF SAID BODY PORTIONS, SAID LEGS EXTENDING FROM A SECOND EDGE OPPOSITE SAID FIRST EDGE TO SAID SEAT, ONE OF SAID LEGS ON EACH MEMBER BEING LATERALLY ENLARGED BEYOND THE OUTLINE OF THE OTHER LEG ON OPPOSITE SIDES THEREOF AND HAVING SERRATED EDGES SHAPED COMPLEMENTARY TO THE SERRATED EDGES OF SAID RECESS AND INTERFITTED THEREWITH, THE OPPOSITELY EXTENDING LEGS AND SAID SECOND EDGE ON ONE OF SAID BODY PORTIONS CONSTITUTING A STABILIZING BASE FOR SAID SPACER.