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.