Panel lighting system

Claim 1

IN AN INTERNALLY LIGHTED PANEL ASSEMBLY, THE COMBINATION OF: (A) A PANEL HAVING A MAIN, RELATIVELY THICK LIGHT-TRANSMITTING LAYER DEFINING FRONT AND REAR SURFACES, SAID PANEL HAVING AT LEAST ONE OPENING FORMED BY THE REMOVAL OF A SECTION THEREFROM; (B) A FIRST INSERT MEMBER COMPRISING A LIGHT-TRANSMITTING SECTION AND AT LEAST ONE LAMP HAVING A PAIR OF OF TERMINALS IMBEDDED THEREIN; (C) A SECOND INSERT MEMBER COMPRISING A LIGHT-TRANSMITTING LAYER AND AN INDICIA-BEARING LAYER, SAID SECOND INSERT MEMBER BEING DISPOSED IN THE OPENING OF SAID PANEL IN OVERLAYING RELATIONSHIP WITH SAID FIRST INSERT MEMBER WHEREBY SAID INDICIA-BEARING LAYER IS FLUSH WITH THE FRONT SURFACE OF SAID PANEL; (D) CONDUCTIVE MEANS ARRANGED TO CONNECT SAID LAMP TO AN E.M.F. SOURCE; AND (E) FASTENER MEANS REMOVABLY SECURING SAID FIRST AND SECOND INSERT MEMBERS TO SAID PANEL, WHEREIN THE OPENING IN SAID PANEL INCLUDES A LEDGE OF SMALLER DIMENSION THAN THE REMAINER OF THE OPENING, WHEREIN SAID FIRST INSERT MEMBER INCLUDES A FLANGE PORTION SEATED ON THE LEDGE OF THE OPENING IN SAID PANEL AND WHEREIN SAID FASTENER MEANS PASSES THROUGH SAID SECOND INSERT MEMBER, SAID PANEL FURTHER INCLUDING MEANS TO REMOVABLY CAPTURE SAID FASTENING MEANS WHEREBY SAID FIRST AND SECOND INSERT MEMBER MAY BE REMOVED FROM THE FRONT OF SAID PANEL.