Prefabricated building panel wall

Claim 1

A PREFABRICATED FIRE RESISTANT BUILDING PANEL CONSISTING OF SPACED VERTICAL CHANNELS AND TOP AND BOTTOM HORIZONTAL CHANNELS FORMING A RIGID RECTANGULAR PERIMETER FRAME WITH EACH OF SAID CHANNELS HAVING A GENERALLY USHAPED CROSS SECTION WITH THE ARMS THEREOF EXTENDING OUTWARDLY, SHEETS OF GYPSUM WALL BOARD EXTENDING ENTIRELY ACROSS SAID FRAME IN CONTACT WITH THE OUTER SIDES OF SAID ARMS OF SAID CHANNELS ON BOTH THE FRONT AND BACK OF SAID FRAME TO FORM, WITH SAID FRAME, AN ENCLOSED CONTINUOUS CAVITY BETWEEN SAID GYPSUM SHEETS, A CEMENT ASBESTOS BOARD CO-EXTENSIVE WITH AND ADHERED TO THE OUTER SURFACE OF THE FIRST OF SAID SHEETS OF GYPSUM BOARD, MECHANICAL FASTENERS EXTENDING THROUGH SAID CEMENT ASBESTOS BOARD, THE FIRST OF SAID SHEETS OF GYPSUM WALL BOARD AND THE ADJACENT ARMS ON SAID FRAME CHANNELS TO SECURE THE SAME IN ASSEMBLED RELATIONSHIP, MECHANICAL FASTENERS EXTENDING THROUGH THE OTHER OF SAID SHEETS OF GYPSUM WALL BOARD AND THE ADJACENT ARMS ON SAID FRAME CHANNELS TO SECURE THE SAME IN ASSEMBLED RELATIONSHIP, AND A DENSIFIED, HIGH TEMPERATURE RESISTANT, GLASS FIBER BOARD OF A THICKNESS LESS THAN SUCH CAVITY ADHESIVELY ADHERED TO THE INNER SURFACE OF SAID FIRST LAYER OF GYPSUM WALL BOARD, SAID GLASS FIBER BOARD HAVING A RECTANGULAR PERIPHERY ADHESIVELY SECURED TO THE ADJACENT INER-SURFACES OF SAID RECTANGULAR PERIMETER FRAME.