US PATENT SUBCLASS 383 / 49
.~.~.~.~ Resilient

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  DF  .~.~.~ With supplemental closing feature {4}
49.~.~.~.~ Resilient

DEFINITION

Classification: 383/49

Resilient:

(under subclass 48) Subject matter wherein the closure is elastically biased toward the closed condition.

(1) Note. The elasticity may be an inherent property of the closure, per se.