US PATENT SUBCLASS 220 / FOR 157
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Current as of: June, 1999
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220 /   HD   RECEPTACLES

FOR 127  DF  MULTILAYER BARRIER STRUCTURE (220/415) {23}
FOR 157.~ Specified spacer means (nonlayer) (220/445) {2}
FOR 158  DF  .~.~> Adjacent an open and/or neck-like portion (220/446) {1}
FOR 160  DF  .~.~> Resilient (220/448)

DEFINITION

Classification: 220/FOR.157

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Foreign art collections including a container including at least one defined or particular element, intermediate barrier layers, to maintain a distance between said layers.