US PATENT SUBCLASS 30 / 445
.~.~ Peripheral punch

Current as of: June, 1999
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30 /   HD   CUTLERY

400  DF  CAN OPENER {15}
443  DF  .~ Including punch {6}
445.~.~ Peripheral punch

DEFINITION

Classification: 30/445

(under subclass 443) Device comprising a cutting element including one or more cutting edges which lie along a line corresponding to the opening to be formed in the container and are adapted to cut substantially the entire periphery of the opening during a single stroke substantially normal to the wall of the container.