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Class Information
Number: 40/541
Name: Card, picture, or sign exhibiting > Illuminated sign
Description: Sign in which the legend or message thereon is formed by lighting elements or made more apparent by a source of illumination.

Sub-classes under this class:

Class Number Class Name Patents
40/581 Colored light 44
40/546 Edge illuminated 227
40/559 External light source 39
40/549 Extruded frame 31
40/545 Gas filled tube 79
40/553 Having multiple function (i.e., illumination per se) 47
40/563 Indirect 19
40/564 Lamp box 255
40/550 Light bulbs arranged in the outline of indicia 79
40/542 Luminescent 98
40/548 Polarized 11
40/582 Reflective 103
40/552 Three-dimensional alphanumeric structure 53

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
4535396 Sunlight readable illuminated indicia display devices Aug. 13, 1985
4490933 Internally illuminated display structure Jan. 1, 1985
4402151 Visual display arrangement Sep. 6, 1983
4383742 Method and apparatus for creating the illusion of moving images May. 17, 1983
4173035 Tape strip for effecting moving light display Oct. 30, 1979
4135754 Illuminated aerodynamic enclosure for trucks and trailers Jan. 23, 1979
4126855 Annunciator readout unit Nov. 21, 1978
4090003 Recording tape applicator May. 16, 1978
4012632 Discrete function advisory illumination Mar. 15, 1977
3957351 Backlighted display apparatus May. 18, 1976
3945139 Advertising device Mar. 23, 1976

1 2 3 4

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