US PATENT SUBCLASS 431 / 357
ILLUMINATING FLASH DEVICE, E.G., PHOTOGRAPHIC BULB, ETC.

Current as of: June, 1999
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431 /   HD   COMBUSTION

357ILLUMINATING FLASH DEVICE, E.G., PHOTOGRAPHIC BULB, ETC. {4}
358  DF  .~> Fuel charge within sealed transparent casing, e.g., bulb {4}
363  DF  .~> Having fuel charge feeding means
364  DF  .~> Having protective shield
365  DF  .~> Electrical means ignites charge

DEFINITION

Classification: 431/357

ILLUMINATING FLASH DEVICE, E.G., PHOTOGRAPHIC BULB, ETC.:

(under the class definition) Apparatus having a substance which is quickly burnable to produce a burst of light for the purpose of signalling or illuminating an area.

SEE OR SEARCH CLASS

102, Ammunition and Explosives,

335+, for an explosive or pyrotechnic device in the form of a cartridge or receptacle containing powder that is ignited manually or with a fuse; and subclasses 200+ for means initiating the combustion or detonation of explosive or thermic compositions or charges.

149, Explosive and Thermic Compositions or Charges.

361, Electricity: Electrical Systems and Devices,

264+, for electrical systems, per se, for igniting incandescent means.

362, Illumination, 3+, for a source of visible radiant energy and means to modify the distribution of said energy and designed for use with a camera.

396, Photography, main class definition, for a listing of classifications for object illumination devices and

155+, for camera structure combined with illumination means.