US PATENT SUBCLASS 83 / 522.27
.~ Indicates wear

Current as of: June, 1999
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83 /   HD   CUTTING

522.11  DF  WITH SIGNAL, SCALE, OR INDICATOR {8}
522.27.~ Indicates wear

DEFINITION

Classification: 83/522.27

Indicates wear:

(under subclass 522.11) Device intended to give a manifestation of the gradual deterioration of the device.