US PATENT SUBCLASS 451 / 528
.~.~ Uniform thickness nonplanar

Current as of: June, 1999
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451 /   HD   ABRADING

526  DF  FLEXIBLE-MEMBER TOOL, PER SE {5}
527  DF  .~ Interrupted or composite work face (e.g., cracked, nonplanar, etc.) {2}
528.~.~ Uniform thickness nonplanar

DEFINITION

Classification: 451/528

Uniform thickness nonplanar:

(under subclass 527) Flexible-member tool wherein the interrupted work face is in the form of an undulating (e.g., corrugated, pleated, etc.) abrasive layer of substantially constant depth.