US PATENT SUBCLASS 451 / 430
.~ Valve or valve seat abrader


Current as of: June, 1999
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451 /   HD   ABRADING

415  DF  ATTACHMENT {13}
430.~ Valve or valve seat abrader {1}
431  DF  .~.~> Orbital tool


DEFINITION

Classification: 451/430

Valve or valve seat abrader:

(under subclass 415) Attachment especially adapted for grinding a surface of the stationary portion or a movable portion of a valve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

115, and 252, for other valve abraders.