US PATENT SUBCLASS 383 / 208
.~.~ Line of perforations having means for preventing leakage before opening

Current as of: June, 1999
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383 /   HD   FLEXIBLE BAGS

200  DF  BAG HAVING MEANS TO FACILITATE OPENING IT BY SEVERING BAG MATERIAL OR BAG PART (E.G., TEARING, CUTTING, PIERCING, ETC.) {5}
207  DF  .~ Line of weakness delineates substantially the entire tearing path {2}
208.~.~ Line of perforations having means for preventing leakage before opening

DEFINITION

Classification: 383/208

Line of perforations having means for preventing leakage before opening:

(under subclass 207) Subject matter wherein the line of weakness is a series of holes or incisions through the bag material and wherein the bag includes structure to prevent passage of fluent material through the holes or incisions.