US PATENT SUBCLASS 220 / FOR 159
.~.~.~ And a closed-end spacer (220/447)

Current as of: June, 1999
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220 /   HD   RECEPTACLES

FOR 127  DF  MULTILAYER BARRIER STRUCTURE (220/415) {23}
FOR 157  DF  .~ Specified spacer means (nonlayer) (220/445) {2}
FOR 158  DF  .~.~ Adjacent an open and/or neck-like portion (220/446) {1}
FOR 159.~.~.~ And a closed-end spacer (220/447)

DEFINITION

Classification: 220/FOR.159

And a closed-end spacer:

Foreign art collections including a container with another distinct spacer means adjacent a bottom or terminus barrier.