US PATENT SUBCLASS 102 / 356
.~ Combined

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

335  DF  PYROTECHNICS {11}
356.~ Combined

DEFINITION

Classification: 102/356

Combined:

(under subclass 335) Subject matter to which has been added other devices or structures having an added purpose or independent utility other than to perfect a pyrotechnic means.