US PATENT SUBCLASS 30 / 449
.~.~ Traversing punch

Current as of: June, 1999
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30 /   HD   CUTLERY

400  DF  CAN OPENER {15}
443  DF  .~ Including punch {6}
449.~.~ Traversing punch

DEFINITION

Classification: 30/449

(under subclass 443) Device in which the cutting element is adapted to traverse the wall of the container after initially puncturing the same.