US PATENT SUBCLASS 383 / 34.1
.~.~ Stiffeners include four or more hinged segments


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  DF  .~ Hinged mouth stiffeners {1}
34.1.~.~ Stiffeners include four or more hinged segments


DEFINITION

Classification: 383/34.1

Stiffeners include four or more hinged segments:

(under subclass 34) Subject matter including four or more reinforcing elements articulated at four or more joints.