US PATENT SUBCLASS 175 / 3.5
.~ Explosive charge carried by projectile

Current as of: June, 1999
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175 /   HD   BORING OR PENETRATING THE EARTH

2  DF  BORING WITH EXPLOSION IN INACCESSIBLE HOLE {12}
3.5.~ Explosive charge carried by projectile

DEFINITION

Classification: 175/3.5

(under subclass 2) Subject matter in which a projectile containing an explosive charge is described as forming a bore as it is projected into the formation by an explosive charge and the explosive charge carried by the projectile is then fired.