Building structure

Claim 1

IN A FRAME STRUCTURE FOR A DOORWAY THROUGH A WALL OF A BUILDING, COMPRISING SPACED UPSTANDING STUDS DEFINING SAID DOORWAY, EACH OF SAID STUDS BEING IN THE FORM OF A CHANNELED METAL STRUCTURAL FRAME MEMBER HAVING SIDES FACING IN OPPOSITE DIRECTIONS FROM SAID DOORWAY; INTECONNECTED HEADER AND JAMB ELEMENTS; SAID JAMB ELEMENTS BEING IN THE FORM OF CHANNELED METAL MEMBERS CORRESPONDING RESPECITIVELY TO SAID STUDS, SAID JAMB ELEMENT HAVING DOOR STOPS; EACH JAMB ELEMENT HAVING FLANGES LYING FLAT UPON THE SIDES OF THE CORRESPONDING STUD AND BEING SECURED DIRECTLY TO SAID CORRESPONDING STUD; WALLBOARDS OVERLYING SAID FLANGES AROUND SAID DOORWAY AND BEING SECURED TO SAID FLANGES AND SAID STUDS; SEPARATE METAL TRIM STRIPS, EACH HAVING AN OUTER LEG PORTION AND AN EDGE PORTION, SAID OUTER LEG PORTIONS OF SAID TRIM STRIPS BEING DISPOSED UPON AND SUBSTANTIALLY PARALLEL TO THE OUTER SURFACE OF SAID WALLBOARDS AND BEING SECURED TO SAID WALLBOARDS, SAID EDGE PORTIONS ENGAGING SAID FLANGES OF SAID METAL JAMB ELEMENTS, SAID TRIM STRIPS BEING DISPOSED AT AN ANGLE TO ONE ANOTHER WITH END PORTIONS THEREOF IN ENGAGEMENT WITH ONE ANOTHER AT A CORNER OF SAID STRUCTURE; AND JOINT CEMENT OVERLYING SAID OUTER LEG PORTIONS OF SAID TRIM STRIPS AND ADJACENT PORTIONS OF SAID WALLBOARD.