US PATENT SUBCLASS 76 / 81.7
.~.~ Rotary or oscillating

Current as of: June, 1999
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76 /   HD   METAL TOOLS AND IMPLEMENTS, MAKING

*  DD  TOOL SHARPENERS {4}
81  DF  .~ Stropping devices {5}
81.7.~.~ Rotary or oscillating

DEFINITION

Classification: 76/81.7

(under subclass 81) Device wherein said working surface is disclosed as following an arcuate or closed curved path during the sharpening operation.