US PATENT SUBCLASS 383 / 34
.~ Hinged mouth stiffeners

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

33  DF  WITH MEANS TO MAINTAIN THE BAG MOUTH IN AN OPEN CONFIGURATION {1}
34.~ Hinged mouth stiffeners {1}
34.1  DF  .~.~> Stiffeners include four or more hinged segments

DEFINITION

Classification: 383/34

Hinged mouth stiffeners:

(under subclass 33) Subject matter wherein the access opening includes reinforcing elements which are articulated to one another.