Light reflector unit with an undulatory reflecting insert

Claim 1

A LIGHT REFLECTOR UNIT FOR ATTACHMENT TO A MOUNTING SURFACE, COMPRISING: A REFLECTOR CASING MEMBER INCLUDING A LIGHT TRANSMITTING FRONT END WALL HAVING A BACK SURFACE WITH PRISMATIC REFLECTOR MEANS INTEGRAL THEREWITH FOR RECEIVING AND REFLECTING LIGHT THEREFROM, SAID CASING MEMBER BEING OF A RELATIVELY SHALLOW DISH SHAPE TO THEREBY PROVIDE A CAVITY OPENING REARWARDLY OF SAID LIGHT TRANSMITTING FRONT WALL AND HAVING AN ENLARGED PERIPHERAL SUPPORTING RIM AT THE OPEN REARWARD END OF SAID CASING MEMBER, SAID ENLARGED RIM HAVING A PLANAR REARWARDLY FACING SUPPORTING SURFACE; A RELATIVELY THIN BACKING MEMBER SECURED TO SAID PLANAR SUPPORTING SURFACE FOR CLOSING SAID REARWARDLY OPENING CAVITY, SAID BACKING MEMBER HAVING AN EXPOSED REAR SURFACE PROVIDED WITH PRESSURESENSITIVE ADHESIVE FOR SECURING THE UNIT TO THE MOUNTING SURFACE, SAID BACKING MEMBER FUTHER INCLUDING MEANS FOR PROVIDING ACCESS TO SAID CAVITY SO THAT AIR PRESSURE IN SAID CAVITY CAN BE REDUCED BELOW AMBIENT AIR PRESSURE ABOUT THE UNIT AND THE CAVITY MAY BE HERMETICALLY SEALED BY SECURING THE UNIT TO A MOUNTING SURFACE AFTER AIR PRESSURE IN THE CAVITY HAS BEEN REDUCED BELOW AMBIENT AIR PRESSURE; AND AN UNDULATORY LIGHT REFLECTING INSERT POSITIONED WITHIN THE CAVITY OF SAID CASING MEMBER.