US PATENT SUBCLASS 451 / 530
.~ Work face variegated or on projecting backing

Current as of: June, 1999
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451 /   HD   ABRADING

526  DF  FLEXIBLE-MEMBER TOOL, PER SE {5}
530.~ Work face variegated or on projecting backing

DEFINITION

Classification: 451/530

Work face variegated or on projecting backing:

(under subclass 526) Flexible-member tool whose abrasive work engaging face comprises either (a) different sizes or kinds of abrasive particles of one uninterrupted layer* or (b) an uninterrupted abrasive layer which does not completely cover the supporting structure.