US PATENT SUBCLASS 57 / 8
.~.~.~ With powdered material incorporating

Current as of: June, 1999
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57 /   HD   TEXTILES: SPINNING, TWISTING, AND TWINING

1 R  DF  APPARATUS AND PROCESSES {45}
3  DF  .~ Covering or wrapping {10}
6  DF  .~.~ With other operations {3}
8.~.~.~ With powdered material incorporating

DEFINITION

Classification: 57/8

(under subclass 6) Devices having means for incorporating pulverulent material into the twisted strand. For example, this subclass includes incorporation of gunpowder as in fuse making.

SEE OR SEARCH CLASS

86, Ammunition and Explosive-Charge Making,

1, for fuse-making in general.