US PATENT SUBCLASS 383 / 48
.~.~.~ With supplemental closing feature

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

42  DF  WITH CLOSURE {16}
43  DF  .~ Self-closing type {1}
44  DF  .~.~ Responsive to content (e.g., valve) {8}
48.~.~.~ With supplemental closing feature {4}
49  DF  .~.~.~.~> Resilient
50  DF  .~.~.~.~> Reversely folded portion of closure element
51  DF  .~.~.~.~> Slit or slot
52  DF  .~.~.~.~> Adhesive

DEFINITION

Classification: 383/48

With supplemental closing feature:

(under subclass 44) Subject matter wherein the bag includes means which, in addition to the weight or pressure of the content, aid in closing the access opening.

(1) Note. The supplemental feature may be a unitary part of the closing means.