US PATENT SUBCLASS 76 / 81.8
.~.~ Including nonplanar working surface

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}
81.8.~.~ Including nonplanar working surface

DEFINITION

Classification: 76/81.8

(under subclass 81) Device wherein the working surface of the sharpening device is maintained in a condition other than flat.

SEE OR SEARCH THIS CLASS, SUBCLASS:

81.1, through 81.7, for other stropping devices having a nonplanar working surface.