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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
6079136 Lighted message system for use with trailer hitch arrangements Jun. 27, 2000
6036250 Trailer for reducing boundry layer normal-pressure drag thereon Mar. 14, 2000
6019730 Glow blood pressure sets Feb. 1, 2000
5987793 Illuminative display device and electronic apparatus equipped with same Nov. 23, 1999
5966855 Cryophotonic back-lit sign Oct. 19, 1999
5921012 Illuminated display device and mold useful for the formation of same Jul. 13, 1999
5809676 Sign display apparatus Sep. 22, 1998
5737862 Portable sign Apr. 14, 1998
5723843 Method of forming and balancing an illuminated display panel Mar. 3, 1998
5694110 Illuminated signal device Dec. 2, 1997
5654705 Apparatus for prompting pedestrians Aug. 5, 1997
5647152 Displaying apparatus with light-shielding grating Jul. 15, 1997
5585160 Fluorescent foil Dec. 17, 1996
5536558 Illuminated display using ambient natrual or artificial light Jul. 16, 1996
5526251 Emergency lighting connections Jun. 11, 1996
5475576 Compact fluorescent sign light unit Dec. 12, 1995
5432684 Process for manufacturing painted backlit displays having uniform backlighting intensity Jul. 11, 1995
5375353 Illuminated sign assembly for a communication tower Dec. 27, 1994
5355603 Fastening system for fastening boards, particularly illuminated advertising signs Oct. 18, 1994
5352747 Light-diffusing polycarbonate resin compositions containing polymethyl silsesquioxane Oct. 4, 1994
5345705 Lightweight, three-dimensional sign Sep. 13, 1994
5280270 Boat distress apparatus and method Jan. 18, 1994
5264995 Non-electric candle lamp Nov. 23, 1993
5143285 Illuminated mailbox support with photo-cell Sep. 1, 1992
5142415 Back-lit display Aug. 25, 1992
5138782 Display plate Aug. 18, 1992
5134550 Indirect lighting fixture Jul. 28, 1992
5124845 Interior rearvision mirror Jun. 23, 1992
5090589 Coin-operated vending machine Feb. 25, 1992
5084993 Worksheet and support frame apparatus Feb. 4, 1992
5014472 Tombstone May. 14, 1991
5009019 Sign plate for illuminated sign Apr. 23, 1991
5003233 Radio frequency powered large scale display Mar. 26, 1991
4977695 Illuminated medallion Dec. 18, 1990
4969282 Glass block illuminated display Nov. 13, 1990
4962602 Sticker for alarm system Oct. 16, 1990
4949487 Illuminated display Aug. 21, 1990
4891896 Simulated neon sign Jan. 9, 1990
4879965 Airport twenty-four hour pilot information markers Nov. 14, 1989
4879549 Shroud attachment Nov. 7, 1989
4820956 Light matrix display system Apr. 11, 1989
4805324 Light sign Feb. 21, 1989
4782610 Display assembly with illumination system Nov. 8, 1988
4768300 Illuminated information display Sep. 6, 1988
4703572 Animated ultraviolet display apparatus Nov. 3, 1987
4684919 Light-source multiplication device Aug. 4, 1987
4682709 Coin-operated vending machine Jul. 28, 1987
4602448 Lighted display panel system Jul. 29, 1986
4584501 Flat plate luminous display device Apr. 22, 1986
4574269 Vehicle communicator Mar. 4, 1986

1 2 3 4










 
 
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