US PATENT SUBCLASS 451 / 457
.~.~ Work guard

Current as of: June, 1999
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451 /   HD   ABRADING

442  DF  ACCESSORY {10}
451  DF  .~ Guard or housing {6}
457.~.~ Work guard

DEFINITION

Classification: 451/457

Work guard:

(under subclass 451) Guard or housing for preventing injury to other parts of the work other than those being intentionally abraded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

448, for a button cleaning shield.