US PATENT SUBCLASS 383 / 43
.~ Self-closing type


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

42  DF  WITH CLOSURE {16}
43.~ Self-closing type {1}
44  DF  .~.~> Responsive to content (e.g., valve) {8}


DEFINITION

Classification: 383/43

Self-closing type:

(under subclass 42) Subject matter wherein the closure functions to close the access opening without manual manipulation.

(1) Note. A claimed bag closure which is inherently self-closing is classified hereunder.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33, for means to maintain the bag mouth in an open configuration which may also be self-closing.

103, for bag vents having closures.

SEE OR SEARCH CLASS

206, Special Receptacle on Package,

260, and 266 for tobacco containing pouches which may be self-closing.