US PATENT SUBCLASS 361 / 248
.~ For explosive devices

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

247  DF  IGNITING SYSTEMS {3}
248.~ For explosive devices {4}
249  DF  .~.~> With sequential firing by electronic switching
250  DF  .~.~> With sequential firing by mechanical switching
251  DF  .~.~> With capacitor discharging into explosive device
252  DF  .~.~> With electromechanical power source

DEFINITION

Classification: 361/248

For explosive devices:

(under subclass 247) Subject matter for detonating an explosive device.

(1) Note. Explosive devices include, for example, rockets, dynamite charges and photoflash devices.

SEE OR SEARCH CLASS

89, Ordnance, appropriate subclasses for explosive device projecting or dropping means having igniting means as a part thereof.

102, Ammunition and Explosives, appropriate subclasses for

explosive devices having igniting means as a portion thereof.

362, Illumination,

3+, for photos:graphic illumination devices including ignition means. 396, Photography,

155+, for photoflash devices combined with camera structure which may include ignition means.

431, Combustion,

357+, for photo-flash devices including ignition means.