Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 4314316 | Illuminating whistle An illuminating apparatus which may include audio sound comprises a mouthpiece chamber for producing the forcible passage of air against a flexible conductive contact which completes an electrical circuit to a lamp.... | 02/02/1982 |
| 4311208 | Ladder safety lamp A warning light assembly for use on ladders having a plurality of rungs to indicate the presence of someone on the ladder. The warning light assembly has a switch activated by a person's foot placed on one of the lower rungs of the ladder. When first acti... | 01/19/1982 |
| 4309744 | Illuminated decoration A rectangular boxlike member containing a light to be applied to the exterior of a building between studs e.g. at the sides of a door or window; a cover for the box, said cover being connected thereto and having a translucent panel of plastic or glass to ... | 01/05/1982 |
| 4305118 | Portable utility case A utility case for personal accessories and, in particular, for a lighter, a flashlight, and a measuring tape and which is distinctively made with a casing forming conveniently arranged compartments to replaceably fit modular accessory units therein. The ... | 12/08/1981 |
| 4303967 | Welding light This light is designed for use in the welding industry, for checking joint preparations, by lighting the area to be welded, lighting the area of a weld, so as to enable the user effectively to clean or chip slag from it, etc. It consists primarily of a sl... | 12/01/1981 |
| 4292999 | Valve for toy balloons The invention relates to a valve for toy balloons, this valve opening inwardly under very minor excess pressure and yet providing a tight seal by means of an additional cap. A container surrounding the valve and flaring conically serves for introducing th... | 10/06/1981 |
| 4292664 | Dental plaque disclosing light and method A dental plaque disclosing light for use in conjunction with a fluorescent dye plaque disclosing solution contained in a periodontal area of an individual's mouth is disclosed. A parabolic reflector supports a light source providing only light which cause... | 09/29/1981 |
| 4285030 | Flashlight assembly A portable flashlight assembly utilizes a flat battery energy source containing slide contact electrodes. One embodiment includes the use of a film pack from a self-developing camera as an energy source.... | 08/18/1981 |
| 4285028 | Bedroom lamp with clock operated lamp switch A combination bedroom lamp and clock, the clock including a time-controlled mechanism that trips an on-off switch in the electric circuit to the lamp, and the device additionally including a lamp operated projector for images upon a bedroom ceiling.... | 08/18/1981 |
| 4274129 | Novelty pump lamp A novelty lamp utilizes an old-fashioned hand-type water pump to support the lamp and shade and, in a preferred form, has a three-way ratchet switch arranged so that raising and lowering of the pump handle effects energizing and lighting of the lamp in on... | 06/16/1981 |
| 4257039 | Smoke detector A smoke detector is battery operated and may employ an ionization chamber and/or an infrared detector. When the alarm circuit is actuated due to the presence of smoke levels above a predetermined value being sensed by the detector, the alarm is actuated a... | 03/17/1981 |
| 4250537 | Discotheque simulating home entertainment system A home entertainment system and lighting cabinet simulates the sound and lighting effects of a discotheque. Light rays from a bank of differently colored lights are directed both to a mirrored rotating globe and to a rear reflecting panel behind the globe... | 02/10/1981 |
| 4233652 | Aircraft illumination apparatus and operating circuitry An improved aircraft illumination apparatus and improved circuitry for operating the illumination apparatus. Light sources are mounted on the interior of the aircraft landing gear doors for providing illumination ahead of the central portion of the aircra... | 11/11/1980 |
| 4227191 | Light emitting smoke detector A smoke detector is provided having a smoke detection circuit coupled with an audible alarm and a high intensity light source. The high intensity light source is powered separately from the smoke detection and audible alarm system.... | 10/07/1980 |
| 4224551 | Vehicle headlight with a dirt sensor A vehicle headlight is disclosed comprising a dirt sensor for sensing dirt on a diffuser disk of the headlight. The dirt sensor receives the light of a lamp of the headlight scattered back due to dirt on the diffuser disk and is shielded against the light... | 09/23/1980 |
| 4214298 | Combination acoustic conditioner and light fixture A combination light fixture and acoustic conditioner assembly particularly useful in modular room enclosures wherein the ceiling is spaced above the enclosure walls. The invention provides for indirect lighting means and means for masking external sounds ... | 07/22/1980 |
| 4204271 | Illuminated weather vane An illuminated weather vane assembly in which the socket for an electrical lamp is centrally mounted on a base. An ornamental translucent globe supported on the base and surrounding the lamp socket for its protection is held in place by a plurality of sup... | 05/20/1980 |
| 4195329 | Diagnostic lamp, particularly for checking teeth A diagnostic lamp for fluorescent excitation of a fluorescible material applied to parts of the body, and particularly useful for preventive checking of the teeth and gums by self-observation. A housing is provided with a light source and battery for supp... | 03/25/1980 |
| 4194237 | Leveling plate and method of utilizing same A leveling plate for leveling bases of light standards. The leveling plate is provided along two adjacent sides at right angles to one another with spirit levels. The leveling plate is provided with openings for engagement over bolts of a predetermined pa... | 03/18/1980 |
| 4181304 | Illuminated dice and storage housing Playing dice are provided with light emitting diodes in their interior together with a battery and master switch in each die. A light emitting diode is associated together with a gravity responsive switch in addition to the master switch for each die face... | 01/01/1980 |
| 4174532 | Portable lighting fixture A portable lighting fixture for use with a patio umbrella and the like in which the umbrella is supported by a center pole having struts extending outwardly therefrom to the underside of the umbrella when the umbrella is in a raised position. A base has a... | 11/13/1979 |
| 4173777 | Jet aircraft and/or missile plume simulator The intensity and spectral content of a jet aircraft and/or missile plume is simulated with a xenon lamp that derives an optical beam which propagates through a filter. The filter prevents optical energy in the visible light region from propagating throug... | 11/06/1979 |
| 4153927 | Multi-function clipboard apparatus A multi-function clipboard and report apparatus is disclosed which includes a receptacle for the storage of various items and provisions for two types of lights, one for illuminating the top surface of the clipboard and a second for providing a spotlight ... | 05/08/1979 |
| 4152753 | Cleaning system for auto headlight A cleaning system particularly intended for use on automobile head lamps or tail lamps which system comprises a cylindrical transparent shield which is movably mounted about or in front of the head lamp and a plastic film which can be drawn off from a sup... | 05/01/1979 |
| 4125889 | Transportation arrangement with spotlight projectors for illuminating trunnions of a molten iron ladle A transportation arrangement with spotlight projectors for illuminating the trunnions of a molten iron ladle for viewing by an operator when engaging a hoisting hook with the trunnion of the ladle. A spotlight projector employs a very high pressure mercur... | 11/14/1978 |
| 4124881 | Dice with illuminating means A pair of dice each having twelve flat surfaces and in which opposite surfaces lie in parallel planes is provided. Each die incorporates twelve light emitting diodes for illuminating respectively the 12 surfaces but interconnected with a central battery b... | 11/07/1978 |
| 4081666 | Ecolarium lights An ornamental lighting device to be used on the terraneous shelf of an Ecolarium, ecology tank, (two-tiered aquarium) simultaneously providing light for the aqueous area underneath the terraneous shelf and ornamental lighting effects of the garden area of... | 03/28/1978 |
| 4079241 | Lamp with storage and display apparatus A lamp for illuminating, storing and displaying small objects is disclosed and includes at least one tray for supporting the small objects and means for supporting the tray selectively in either a position nesting adjacent a tray receiving means or a posi... | 03/14/1978 |
| 4059752 | Trophy lamp An ornamental trophy consists of a base upon which are mounted a three dimensional trophy and one or more receptacles for displaying a memento of the trophy such as a certificate, or a photograph; a light source, such as an ornamental lamp, is also suppor... | 11/22/1977 |
| 4045663 | Rechargeable flashlight assembly A flashlight assembly including a flashlight bulb and an accessory device, such as a two-way wireless radio, operated by the same rechargeable battery. Recharging circuitry provides for sure, ready recharging of the battery, and low-current drain flashing... | 08/30/1977 |
| 4025896 | Illuminated display system and method of wiring said system An improved illuminated display system is disclosed which can be positively and accurately assembled with a plurality of low profiled illuminated indicator units to display a wide variety of input information. The illuminated indication is provided by a p... | 05/24/1977 |
| 4013880 | Breath guard canopy for serving unit A breath guard canopy for a serving unit of the type in which individuals move trays along one or both sides of the serving unit and receive food stuffs therefrom either by self-service or by being served. A breath guard, or canopy, in the form of at leas... | 03/22/1977 |
| 3978590 | Sighting device for luminaire positioning Disclosed is a device for facilitating the calibration and setting of the inclination angle of a luminaire by sighting from the rear of the luminaire to a set of points such as the opposite curb of a roadway. The device may be placed on or permanently sec... | 09/07/1976 |
| 3971928 | Display system An improved color-display system embodied in a clock mechanism wherein the face of the clock constantly changes color. A single light bulb easily accessible at the rear of the clock provides uniform lighting by use of a specially shaped reflector.... | 07/27/1976 |
| 3971622 | Microscope assembly having base mount for receiving dimmer circuit components A base mount for a microscope includes means for carrying the electrical components of a microscope base mount for a dimmer. The mount is separable from the body of an associated microscope and is adapted to be fixedly attached thereto, thus facilitating ... | 07/27/1976 |
| 3934301 | Device for cleaning the headlight glass on motor vehicles A device for cleaning the headlamp glass of an automobile headlamp. The device is formed in two main units, a motor unit and a reduction gear unit, which latter carries a wiper blade which, in use of the device, is moved over the surface of the glass to e... | 01/27/1976 |
