US PATENT SUBCLASS 229 / 216
.~.~.~.~ Pour spout formed by tearing a sealing fin

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}
210  DF  .~.~ Tearing provides reusable closure {6}
215  DF  .~.~.~ Pour spout {2}
216.~.~.~.~ Pour spout formed by tearing a sealing fin

DEFINITION

Classification: 229/216

Pour spout formed by tearing a sealing fin:

(under subclass 210) Subject matter wherein the pour spout is formed by tearing the material of a seam formed by adhering to one another the inside surfaces of two opposing edge portions of the box.