US PATENT SUBCLASS 102 / 522
.~.~.~.~ Base enclosed

Current as of: June, 1999
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102 /   HD   AMMUNITION AND EXPLOSIVES

501  DF  PROJECTILES {11}
517  DF  .~ Composite {4}
520  DF  .~.~ Sabot or carrier {1}
521  DF  .~.~.~ Subcaliber {1}
522.~.~.~.~ Base enclosed {1}
523  DF  .~.~.~.~.~> With projectile exposed to propellent gas

DEFINITION

Classification: 102/522

Base enclosed:

(under subclass 521) Subject matter wherein the bottom or lowest part of the projectile is surrounded or enclosed by the sabot or carrier.