Floor form structure

Claim 1

A FLOOR FORM COMPRISING A PLURALITY OF SEPARATE FORMS OF SHEET MATERIAL AND OF RECTANGULAR SHAPE, SAID FORMS BEING LAYED SIDE BY SIDE AND END TO END ON A HORIZONTAL PLANE TO CONSTITUTE A FLOOR FORM OVER WHICH CEMENTITOUS MATERIAL MAY BE POURED, THE SHEET MATERIAL OF EACH FORM HAVING STRAIGHT SIDE AND END EDGES DEFINING A GENERALLY FLAT UPPER SURFACE SIDE AND END EDGES DEFINING EACH FORM HAVING IDENTICALLY SHAPED EQUALLY SPACED RECESSES DEFINED BY DOWNWARDLY EXTENDING CONICALLY SHAPED WALLS TERMINATING IN AN OPEN LOWER END, SAID CONICALLY SHAPED WALLS AND UPPER FLAT HORIZONTAL SURFACE COOPERATING WHEN CONTIGUOUS FORMS ARE IN REGISTER TO FORM PASSAGEWAYS INTERCONNECTING THE REGION UNDERNEATH SAID FORMS, MEANS FOR INTERLOCKING AND SUPPORTING SAID FORMS IN POSITION INCLUDING, A PERIPHERAL CHANNEL FORMED IN THE RESPECTIVE SIDE AND END EDGES OF SAID FORM, SAID CHANNELS BEING PROVIDED WITH SPACED SLOTS AND SAID CHANNELS BEING IN OVERLAPPING RELATION WITH THE NEXT ADJACENT FORMS WITH SAID SLOTS BEING IN ALIGNMENT, A VERTICALLY EXTENDING FASTENING MEMBER HAVING AN UPPER FINGER RECIEVE THROUGH SAID ALIGNED SLOTS OF ADJACENT FORMS, AND SAID FORMS PROVIDING A SURFACE OVER WHICH CEMENTITIOUS MATERIAL MAY BE POURED AND MAY FLOW DOWN INTO SAID RECESSES AND WHEN HARDENED CONSTITUTE COLUMNS WITHIN SAID CONICALLY SHAPED WALLS AND A GENERALLY HORIZONTAL FLOOR STRUCTURE OVER SAID FORMS.