Class 40/570 - Exit

Subclass of Class 40 - Card, picture, or sign exhibiting
Definition: Sign wherein the indicia indicates a building exit and the
No. of patents: 129
Last issue date: 09/27/2011

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Number	Title	Issue Date
8024880	Combination exit sign and emergency light bar A combination exit sign and emergency light is provided, wherein the emergency light is disposed along a bottom, portion of the exit sign. The bottom portion of the housing is formed with a recessed section intermediate opposing side flange portions, with a light ba...	09/27/2011
7845103	Illuminated sign mounting structure There is provided an illuminated sign mounting system and methods for mounting an illuminated sign to a mounting surface. ...	12/07/2010
7774965	Illuminated emergency sign An illuminated emergency sign comprises a main body, a rotary body, side covers, a circuit board, a LED lamp indicator, an acrylic sign panel, and a canopy. The acrylic sign panel is connected to the lower end of the rotary body. In the rotary body is disposed a LED...	08/17/2010
7739818	Illuminated sign insert There is provided a sign insert that can house the inner components of a sign. The insert can be easily inserted into and removed from signs so that either of the sign housing or the sign insert with inner components can be salvaged and reused if the other becomes i...	06/22/2010
7520072	Exit signs with and without emergency lighting Emergency signs and combination emergency signs and emergency lights wherein the combination signs are compact for shipment and are energy efficient using first interior light emitting diodes, powered by an AC power source, for illumination of messages formed in at ...	04/21/2009
7423548	Multi-function egress path device A system and method for providing emergency egress path indication by providing a path direction indicator that is hidden from view during normal operation and is exposed to view upon activation by an emergency signal. Upon being exposed to view the indicator may be...	09/09/2008
7350327	Mounting devices for exit signs and other fixtures Canopy mounting devices that cover junction boxes of various configurations and provide a pleasing, finished appearance to a resulting installation are disclosed. Certain embodiments of a canopy mounting device include a universal mounting plate integrally formed wi...	04/01/2008
7352339	Diffuse illumination systems and methods The systems and methods disclosed herein relate to sources of diffuse illumination for providing substantially uniform illumination to a surface. The diffuse illumination arises from varying the diffusion angle of light generated by an LED system. To vary the diffus...	04/01/2008
7303309	Method and apparatus for backlit signs with light emitting diode modules A backlit sign with an LED module, with a housing that includes a top wall having a first length, a bottom wall having a second length, and a pair of opposing sidewalls each having a third length, wherein at least a portion of one of the sidewalls is translucent. On...	12/04/2007
7293993	Board assembly A board assembly includes a panel and a frame. The frame has a generally annular shape and includes first and second sections. The panel is retained between the first and second sections. The frame also includes a snap-fit device positioned on at least one of the fi...	11/13/2007
7287347	Hazardous-location-rated exit sign An exit sign for use in hazardous atmospheres including an explosion-proof housing and a sign panel with indicia thereon. The housing prevents the ignition of gas or vapor surrounding the enclosure due to sparks, flashes or an explosion of the gas or vapor within th...	10/30/2007
7265684	Onboard equipment for aircraft and the like An emergency lighting system for an aircraft comprises networked light units that communicate wirelessly with a master controller to switch the light units on in an emergency. Each unit has its own battery power source and is arranged conserve power consumption by c...	09/04/2007
7241031	Channel letter lighting system using high output white light emitting diodes A channel letter lighting system according to the present invention comprising a channel letter housing with a translucent channel letter cover. A plurality of electrically connected lighting units are mounted to the channel letter housing and conductors provide an ...	07/10/2007
7241021	Emergency information lighting system An emergency information lighting system (100/200/300), comprising a primary light source (110/210/310) and a housing (112/212/312) for the primary light source (110/210). The housing (112/212/312) includes a first wall (120/220...	07/10/2007
7231060	Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th...	06/12/2007
7226195	Cold-cathode fluorescent lamp assembly for lighting applications A compact and cost-efficient lamp assembly includes cold-cathode fluorescent lamps in a variety of edge-lit display sign applications specifically, in edge-lit emergency lighting signs. The lamp assembly includes in one self-contained module a lower housing unit and...	06/05/2007
7204050	Exit device with lighted touchpad An exit device includes an electroluminescent exit sign assembly, preferably mounted on a push rail actuator of the exit device. An electroluminescent illuminator, an opaque material and a transparent protective cover form the electroluminescent sign assembly. The p...	04/17/2007
7192154	LED task light A task light for use in modular office furniture includes a housing having a peripheral frame defining a display area. The frame has a hollow chase. A plurality of circuit boards are mounted to the housing within the display area. Each circuit board has a plurality ...	03/20/2007
7181876	LED sign visibility enhancing device A lighting system for a sign consists of a bracket to be attached to the top of a flat sign, the bracket including a surface supporting a battery, a solar battery charging cell and a circuit connecting the battery to an LED lamp directed to illuminate the message on...	02/27/2007
7178965	Light emitting panel assemblies having LEDs of multiple colors Light emitting panel assemblies include a hollow light emitting panel member having a sheet, film or substrate attached or positioned against one or both sides thereof to produce a desired effect. A pattern of deformities or disruptions may be provided on or in the ...	02/20/2007
7178937	Lighting device and method for lighting A lighting device that enables use of one or more light-emitting diodes (LEDs) in combination with a reflector is described. The subject lighting device includes at least one LED on a supporting portion, such that the LED is located in front of and aimed toward a re...	02/20/2007
7134764	Airport light system An airport light system is disclosed, which includes an airport guidance sign circuit, and an airport light installation coupled to the airport guidance sign circuit that includes a guidance sign component activated in an ON position of the airport guidance sign cir...	11/14/2006
7131226	Display device with rail support Disclosed is a display device, elongate mount, and display module for displaying alphanumeric information to passengers of a mass transit vehicle. The display modules are mounted along a single edge to a elongate mount. The elongate mount includes at least one end c...	11/07/2006
7128450	Modular light assembly and method for installing a modular light assembly in a vehicle A method for installing a modular light assembly in a vehicle includes first providing a common printed circuit board base. One of a plurality of different types of illumination sources is then attached onto the printed circuit board base to form a modular light ass...	10/31/2006
7125136	Hollow doorframe including electroluminescent illumination system A contiguous emergency exit path lighting system that includes the peripheral lighting of a hollow doorframe at an egress point using a set of electroluminescent illuminators integrally formed within or upon the doorframe, an electrical bypass doorframe to reroute w...	10/24/2006
7118244	Emergency light An emergency light source comprising a housing and an energizing circuit selectively operatively coupling LEDs to a battery power source is provided for lighting a selected area to provide at least twenty-four hours of continuous light when energized. The emergency ...	10/10/2006
7114840	Exit sign illuminated by selective color LEDs An exit sign comprising a housing and a plurality of red and green color LEDs having the capability of being selectively activated to produce either red light or green light. The plurality of LEDs are mounted in a mutual lighting association in the housing. A switch...	10/03/2006
7108414	Light emitting panel assemblies Light emitting panel assemblies include one or more light emitting panel members each having at least one pattern of optical deformities that may be varied in size, shape, density, placement, angle, rotation and/or type to obtain at least one light output distributi...	09/19/2006
7101056	Illuminated LED street sign An illuminated street sign illuminated by LEDs. A light engine comprising a light engine carrier, at least one LED, a heat sink and optionally a reflector and/or lens system is used to illuminate a street sign. The light engine can be retrofit into existing illumina...	09/05/2006
7047679	Molded sign facing plate A mold for stepwise molding, using two different plastics, signage composed of a plurality of symbols surrounded by a continuous matrix including a first mold member having a first cavity defining surface including at least one first gate for admitting a first plast...	05/23/2006
7051290	Graphical interface for receiving eyeglass prescription information A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner. The lens curing system includes a computer-implemented method configured to collect prescription information, sav...	05/23/2006
7038399	Methods and apparatus for providing power to lighting devices Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl...	05/02/2006
7038398	Kinetic illumination system and methods The present invention relates to methods of creating eye-catching displays by taking advantage of color-changing illumination provided by LED systems disclosed herein. Displays can be made to appear to change color or to move simply by changing the color of the ligh...	05/02/2006
7014482	Light socket device A non-conductive socket device that fits within or over an empty light bulb socket when the socket is being shipped or stored. The socket device may comprise a first portion to provide a grip for handling the device and a second non-conductive portion to fittingly e...	03/21/2006
6997576	Light-emitting diode lamp and light fixture including same An LED lamp has a substantially planar circuit board having two opposed sides, and a plurality of light-emitting diodes (LEDs) grouped to form two LED arrays. The LEDs of one of the two LED arrays are mounted along opposite edges of one of the sides of the circuit b...	02/14/2006
6992591	Marker lights for wireless doorbell transmitters and other devices Battery powered LEDs operated at a small fraction of their rated capacity to provide a level of illumination useful as a marker for darkness adjusted vision. Long battery life is achieved using super bright, broad spectrum LEDs. ...	01/31/2006
6951406	Led task light A task light for use in modular office furniture includes a housing having a peripheral frame defining a display area. The frame has a hollow chase. A plurality of circuit boards are mounted to the housing within the display area. Each circuit board has a plurality ...	10/04/2005
6932495	Channel letter lighting using light emitting diodes A channel letter lighting unit according to the present invention comprises a printed circuit board (PCB) having a plurality of linearly mounted light emitting elements. Input wires transmit a power signal to the PCB to illuminate the plurality of light emitting ele...	08/23/2005
6921185	Work light frame with spare bulb holder A work light frame for holding a lens to an electric halogen work lamp is disclosed. The work light frame has a front and a back, and preferably has a channel-shape cross-section. A storage compartment for holding a spare bulb is incorporated into the back of the fr...	07/26/2005
6848798	Emergency lighting unit/exit sign combination An emergency lighting fixture combining the functions of an illuminated sign such as an exit sign and an emergency lighting unit integrated into one housing onto which one or more emergency lights can be mounted at predetermined locations of the housing, the combine...	02/01/2005

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Class 40/570 - Exit