Electric illuminated sign

Claim 1

AN ILLUMINATED SIGN CONSTRUCTED AS AN ASSEMBLY OF BASIC PART INTERCHANGEABLE ONE WITH ANOTHER TO FACILITATE THE SELECTION AND ASSEMBLY OF SELECTED BASIC PARTS INTO A COMPLETE STRUCTURE TO MEET THE REQUIREMENTS OF A GIVEN INSTALLATION COMPRISING, A GENERALLY RECTANGULAR HOOPSHAPED OUTER HOUSING AND FRAME WITH OPENINGS AT BOTH FACES, REINFORCING FLANGES ON SAID FRAME AT THE EDGES THEREOF, AN INNER FRAME SEATED BETWEEN THE FLANGES OF SAID OUTER FRAME HAVING PERIPHERAL FLANGES PROJECTING INWARDLY OF SAID REINFORCING FLANGES, SPACER CLIPS SECURED TO THE FLANGES OF THE INNER FRAME AT SPACED INTERVALS THEREALONG AND PROJECTING OUTWARDLY TOWARD SAID REINFORCING FLANGES, A LIGHT FIXTURE BRACKET WITHIN SAID OUTER HOUSING FRAME AND SUPPORTED BY SAID INNER FRAME, A DOOR FRAME FOR EITHER OF SAID OPENINGS IN SAID OUTER HOUSING FRAME, WALLS ON SAID DOOR FRAME ADAPTED TO BE RECEIVED THROUGH SAID OPENINGS AND AGAINST THE OUTER FACE OF THE FLANGES ON SAID INNER FRAME TO PREVENT LEAKAGE OF LIGHT BETWEEN THE EDGES OF SAID DOOR FRAME AND SAID INNER FRAME, LUGS ON SAID DOOR FRAME SPACED TO ENGAGE SAID SPACER CLIPS TO FORM THEREWITH HINGE MEANS FOR SAID DOOR FRAME AND TO HOLD SAID DOOR CLOSED BY INTERLOCKING WITH ONE OF SAID INWARDLY PROJECTING FLANGES ON SAID INNER FRAMES, A LIGHT IN SAID DOOR FRAME, AND A MOUNTING MEANS FOR SAID SIGN ADAPTED FOR ATTACHMENT TO DIFFERENT LOCATIONS ON SAID OUTER HOUSING FRAME.