US PATENT SUBCLASS 30 / 457
.~ Having conical or cylindrical work guide

Current as of: June, 1999
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30 /   HD   CUTLERY

451  DF  STATIC PENCIL SHARPENER {5}
457.~ Having conical or cylindrical work guide {3}
458  DF  .~.~> And mounting base or handle {1}
460  DF  .~.~> Open-ended for point protection during writing
461  DF  .~.~> Adjustable or resilient cutter structure

DEFINITION

Classification: 30/457

Having conical or cylindrical work guide:

(under subclass 451) Device wherein the work holder or guide

is cylindrical or conical in shape or the section adjacent the end of the workpiece to the shaped.

SEE OR SEARCH THIS CLASS, SUBCLASS:

454, for a pencil sharpener including a conical or cylindrical guide and a debris receptacle.

456, for a pencil sharpener including a conical or cylindrical guide and wherein a workpiece is movable transversely of a single-edge cutter.