US PATENT SUBCLASS 367 / 145
.~.~.~ Explosives

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

140  DF  SIGNAL TRANSDUCERS {4}
141  DF  .~ Underwater type {15}
142  DF  .~.~ Exclusive-type transmitter {6}
145.~.~.~ Explosives

DEFINITION

Classification: 367/145

Explosives:

(under subclass 142) Subject matter wherein a solid, liquid, or gas explosive is ignited underwater to create a shock wave.

SEE OR SEARCH CLASS

181, Acoustics,

116, for solid and liquid explosives; and subclass 117 for gas explosives which are ignited under water by other than electrical means for acoustic effects.