Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
7287347 Hazardous-location-rated exit sign Oct. 30, 2007
7277023 Outdoor signaling apparatus Oct. 2, 2007
7273308 Internal illumination based sign device Sep. 25, 2007
7231735 Lighting canopy for advertising sign post Jun. 19, 2007
7232246 Illuminated panel portion for vehicles and vehicular accessories Jun. 19, 2007
7226195 Cold-cathode fluorescent lamp assembly for lighting applications Jun. 5, 2007
RE39594 Triangle road sign with solar power-driven flashing light means May. 1, 2007
7187300 School crossing guard, security system Mar. 6, 2007
7171772 Earth rhythm light reflector Feb. 6, 2007
7162821 Illuminated sign Jan. 16, 2007
7150117 Back-lit stenciled post cover Dec. 19, 2006
7118644 Image transfer medium and process for producing same Oct. 10, 2006
7086751 Illuminated product packaging Aug. 8, 2006
7044626 Image display unit May. 16, 2006
7036255 Display sign post May. 2, 2006
7021011 Decorative luminous panel assembly and its support Apr. 4, 2006
6968640 Half mirror reflector having LED road sign Nov. 29, 2005
6946975 Uniformly lighted airfield guidance sign Sep. 20, 2005
6929552 Quick exchange infinity mirror display apparatus and method Aug. 16, 2005
6892485 Electrically operated household appliance May. 17, 2005
6880276 Transparent electronic illuminated display Apr. 19, 2005
6851209 Integrated advertisement board Feb. 8, 2005
6845578 Illuminated multi-image display system and method therefor Jan. 25, 2005
6817123 Display device Nov. 16, 2004
6773135 Luminaires having shaped reflective structures for illuminating vertical surfaces such as billboards and the like Aug. 10, 2004
6762689 Universal traffic signal display system and apparatus, and method of using the same Jul. 13, 2004
6761471 Method and apparatus for retrofitting backlit signs with light emitting diode modules Jul. 13, 2004
6748683 Boat antenna flag system Jun. 15, 2004
6709339 Quick exchange infinity mirror display apparatus and method Mar. 23, 2004
6667576 Optical-effect light Dec. 23, 2003
6612055 Sign panel using ambient or artificial light Sep. 2, 2003
6604840 Lighting apparatus for a sign Aug. 12, 2003
6557282 Portable illuminated outdoor advertising display May. 6, 2003
6481130 Light emitting diode linear array with lens stripe for illuminated signs Nov. 19, 2002
6481132 Sign Nov. 19, 2002
6473002 Split-phase PED head signal Oct. 29, 2002
6455767 Weather resistant flag having a flagstaff Sep. 24, 2002
6449889 Vehicle lighted display device Sep. 17, 2002
6446373 Decorative digital screen Sep. 10, 2002
6412202 Signage display for vehicles Jul. 2, 2002
6389720 Triangle road sign with solar power-driven flashing light means May. 21, 2002
6341440 Multi-function signboard Jan. 29, 2002
6323832 Color display device Nov. 27, 2001
6282821 Low-loss face diffuser films for backlit signage and methods for using same Sep. 4, 2001
6271814 Dual message advertising display system Aug. 7, 2001
6206557 Traffic sign with vertically movable light source Mar. 27, 2001
6173517 Luminous display element with a light coupled into a light conducting housing Jan. 16, 2001
6158156 Display panels Dec. 12, 2000
6160495 Device for presenting multiple illuminated messages and a method for making same Dec. 12, 2000
RE36930 Apparatus for prompting pedestrians Oct. 31, 2000

1 2 3 4










 
 
  Recently Added Patents
Managing a spinlock indicative of exclusive access to a system resource
Method of manufacturing touch panel
High brightness laser diode module
Reducing voltage stress in a flyback converter design
Information storage medium, reproducing method, and recording method
Compound containing a carbon or an oxygen isotope, preparation and use thereof, and composition comprising thereof
Semiconductor fin device and method for forming the same using high tilt angle implant
  Randomly Featured Patents
Automotive air conditioner
Categorization and routing of calls based on genre
Multi-wrap hose reinforcement
Optical/electrical view finder
Systems and methods for interfacing with a virtual object in a haptic virtual environment
Piezoelectric resonator and method for manufacturing thereof
Dynamic stabilizer for synchronous machines having torsional oscillations and method
Touch control supply system for an electrical device, method of implementation and applications
Internally grounded feedthrough filter capacitor
Flame synthesis and non-vacuum physical evaporation