US PATENT SUBCLASS 102 / 503
.~ Tubular

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

501  DF  PROJECTILES {11}
503.~ Tubular

DEFINITION

Classification: 102/503

Tubular:

(under subclass 501) Subject matter wherein the projectile has a hole passing through it in the direction of travel.