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Class Information
Number: 431/359
Name: Combustion > Illuminating flash device, e.g., photographic bulb, etc. > Fuel charge within sealed transparent casing, e.g., bulb > Plurality of bulbs associated for sequential ignition
Description: Apparatus having means interconnecting a plurality of bulbs so that (a) upon percussive actuation of a single means, a successive one of said bulbs will be ignited, or (b) upon a single actuation of a means, a plurality of bulbs will ignite in a successive order with a predetermined time delay automatically interposed between successive ignitions, or (c) upon ignition of one of the bulbs of the sequence of bulbs, by activating an electrical means, a switch means or other electrical circuitry is conditioned so that when the electrical means is again activated, another bulb in the sequence will be ignited, or (d) a structural means provided to support a plurality of bulbs as a unit in which each bulb is provided with its own percussive ignition means.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5871344 Flash lamp array with porous vent Feb. 16, 1999
5871345 Percussively fired flash lamp array Feb. 16, 1999
5871346 Flashlamp array venting structure Feb. 16, 1999
5829860 Variable number multi-lamp flash carrier and camera Nov. 3, 1998
5761551 Compact camera with multi-lamp flash wheel rotatable about film chamber Jun. 2, 1998
5752104 Multi-lamp flash wheel and camera May. 12, 1998
5708866 Camera selects unused flash bulb farthest from taking lens to reduce red-eye effect when camera-to-subject distance within near range Jan. 13, 1998
5649242 Multi-lamp flash wheel and camera Jul. 15, 1997
5641222 Light gun Jun. 24, 1997
5641284 Flash bulb cartridge for light guns Jun. 24, 1997
4732560 Humidity protected radiation-responsive switch Mar. 22, 1988
4717336 Flashed-lamp indicator Jan. 5, 1988
4690637 Side-mounted flashlamps Sep. 1, 1987
4676738 Miniaturized photoflash array fabrication process Jun. 30, 1987
4664622 Multilamp photoflash device with improved coating May. 12, 1987
4661058 Stabilized silver compound switch Apr. 28, 1987
4659307 Aluminum hydroxide stabilized switch Apr. 21, 1987
4581682 Prismatic sympathetic flash barriers Apr. 8, 1986
4553928 Switching device for photoflash unit Nov. 19, 1985
4515558 Encapsulated photoflash device having a radiant energy-activated disconnect switch as part of the circuitry thereof May. 7, 1985
4498883 Method of encapsulating a photoflash lamp using a powdered resin Feb. 12, 1985
4496311 Multilamp photoflash array fabrication Jan. 29, 1985
4493639 Conductive ink for flashlamp array circuit Jan. 15, 1985
4493667 Multilamp photoflash array fabrication Jan. 15, 1985
4487574 Switching device for photoflash unit Dec. 11, 1984
4478571 Photoflash array humidity protected switches Oct. 23, 1984
4472153 Subminiature array fabricating process Sep. 18, 1984
4470801 Photoflash unit with circuit pattern for redundant switching of lamps Sep. 11, 1984
4459102 Crossover switch Jul. 10, 1984
4444552 Subminiature array circuitry Apr. 24, 1984
4435156 Subminiature array with normally closed and normally open switches Mar. 6, 1984
4432723 Multilamp photoflash unit with improved quick-disconnect switch Feb. 21, 1984
4427369 Switch paste with silver-coated metal beads Jan. 24, 1984
4427368 Subminiature array with retaining reflector Jan. 24, 1984
4424020 Miniature photoflash unit using subminiature flash lamps Jan. 3, 1984
4420301 Miniature multilamp photoflash array Dec. 13, 1983
4410307 Conductive ink for flash lamp array circuit Oct. 18, 1983
4388606 Sequential photoflash array and fabrication employing radiation-activated switches Jun. 14, 1983
4385888 Vacuum-formed housing array May. 31, 1983
4382774 Spark gap switch May. 10, 1983
4380749 One-time electrically-activated switch Apr. 19, 1983
4379690 Photoflash switching array and fabrication utilizing silver-oxide coated solids Apr. 12, 1983
4375953 Miniature photoflash unit with encapsulated flash lamps Mar. 8, 1983
4375955 Flash lamp array circuit with improved fuse means Mar. 8, 1983
4373906 Multi-lamp photoflash unit and fabricating process Feb. 15, 1983
4363622 Combustion flashbulb Dec. 14, 1982
4355971 Vented multi-lamp photoflash unit Oct. 26, 1982
4347053 Photographic flash device using light-emitting pyrotechnic charges Aug. 31, 1982
4345895 Photoflash device having die-stamped circuit board assembly with flexure means to prevent switch cutting Aug. 24, 1982
4344109 Flash lamp array having printed circuit Aug. 10, 1982

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