US PATENT SUBCLASS 464 / 903
.~ Nonmetal

Current as of: June, 1999
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464 /   HD   ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS

902  DF  PARTICULAR MATERIAL {1}
903.~ Nonmetal

DEFINITION

Classification: 464/903

Nonmetal:

(under subclass 902) Subject matter wherein the composition includes a nonmetallic component.