Opaque sign plaque with dual reflector illumination

Claim 1

An illuminated sign comprising A. a single central upstanding flat sign plaque with display indicia on at least one exposed display face, B. a sign plaque-supporting housing assembly having (1) a bottom wall underlying and supporting the sign plaque, (2) upstanding sidewall means adjacent to the sign plaque joined to the bottom wall, forming a U-shaped plaque-embracing sub-frame, (3) a bulb enclosure overlying both faces of the sign plaque to which the sidewall means of the sub-frame are resiliently detachably latched, said sub-frame and bulb enclosure having outer exposed faces positioned in flush relationship forming a plaque-framing housing assembly, (4) lamp bulb means above the sign plaque embraced within the bulb enclosure, positioned to directly illuminate the indicia on the exposed display face of the sign plaque, (5) synclastic compoundly concavely curved reflector means overlying the lamp bulb means, (6) a substantially flat lower reflector underlying the sign plaque, and (7) both said reflector means supplementing the direct illumination with reflected illumination directed toward the exposed display face of the sign, and C. with the sidewall means defining, with the bottom wall and the overlying bulb enclosure, display aperture means through which the sign plaque framed within the housing assembly is presented for view and through which direct and reflected illumination is also delivered downward from the lamp bulb means to the surrounding and underlying area beneath the illuminated sign.