US PATENT SUBCLASS 229 / 202
.~.~.~ Helical severing path

Current as of: June, 1999
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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

100  DF  PAPERBOARD BOX {54}
200  DF  .~ Having means to facilitate opening the box by severing (e.g., tearing, cutting, piercing, etc.) box material or outer wrapper {14}
201  DF  .~.~ Box includes a curved sidewall (e.g., cylindrical, conical, etc.) {1}
202.~.~.~ Helical severing path

DEFINITION

Classification: 229/202

Helical severing path:

(under subclass 201) Subject matter wherein the box is severed along a spiral-shaped path during the opening process.