US PATENT SUBCLASS 431 / 361
.~.~ Percussive ignition means ignites charge

Current as of: June, 1999
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431 /   HD   COMBUSTION

357  DF  ILLUMINATING FLASH DEVICE, E.G., PHOTOGRAPHIC BULB, ETC. {4}
358  DF  .~ Fuel charge within sealed transparent casing, e.g., bulb {4}
361.~.~ Percussive ignition means ignites charge

DEFINITION

Classification: 431/361

Percussive ignition means ignites charge:

(under subclass 358) Apparatus having a means which is ignited upon being struck a physical blow by a means provided therefore, said ignited means in turn ignites the quickly burnable substance to produce the burst of light.

(1) Note. Mechanisms, per se, for striking percussively ignited bulbs are collected here where that is the sole disclosed use for the mechanism.