US PATENT SUBCLASS 406 / 49
.~ Solid

Current as of: June, 1999
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406 /   HD   CONVEYORS: FLUID CURRENT

46  DF  WITH ADJUNCTIVE SUBSTANCE ADDED {2}
49.~ Solid

DEFINITION

Classification: 406/49

Solid:

(under subclass 46) Subject matter wherein the substance added is neither fluid nor gaseous.