US PATENT SUBCLASS 383 / 121
END STRUCTURE (E.G. BOTTOM)

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

121END STRUCTURE (E.G. BOTTOM) {4}
121.1  DF  .~> Rigid bottom
122  DF  .~> Seamless
123  DF  .~> Formed by folding bag walls on common fold line and joining together {1}
125  DF  .~> Overlapping extensions of opposed walls {1}

DEFINITION

Classification: 383/121

END STRUCTURE (E.G. BOTTOM):

(under the class definition) Subject matter wherein the bag includes a specified feature of the closed end.