Patent · US Expired

Illuminated display assembly

US4475298A · kind A · utility

25Cited by
4References
9Claims
0Family size

Inventor

Key dates

Filing dateApr 25, 1983
Grant dateOct 9, 1984
Priority date
Expiry dateApr 25, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/0083
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An illuminated display assembly comprising a display plate having an illumination source connected thereto wherein a supporting frame and/or shield structure is opaque but includes non-opaque portions defining predetermined words, letters or like indicia. The illumination source may be selectively actuated to illuminate the display plate causing light to be transmitted or directed through the non-opaque portions of the shield structure thereby providing an illuminated display of the non-opaque formed indicia.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.