US PATENT SUBCLASS 220 / 723
.~.~ Internal bladder-like bag for contents


Current as of: June, 1999
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220 /   HD   RECEPTACLES

694  DF  CONTAINER ATTACHMENT OR ADJUNCT {21}
720  DF  .~ Expanding or contracting portion or component {2}
723.~.~ Internal bladder-like bag for contents


DEFINITION

Classification: 220/723

Internal bladder-like bag for contents:

(under subclass 720) Subject matter wherein the variable structure is a flexible sack or pouch located within the receptacle for holding contents.