US PATENT SUBCLASS 464 / 902
PARTICULAR MATERIAL

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

902PARTICULAR MATERIAL {1}
903  DF  .~> Nonmetal

DEFINITION

Classification: 464/902

PARTICULAR MATERIAL:

Structure wherein significance is attributed to the

particular composition of material used in making a structure of this class.