US PATENT SUBCLASS 220 / 665
.~.~ Two or more walls

Current as of: June, 1999
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220 /   HD   RECEPTACLES

660  DF  SIDEWALL STRUCTURE {7}
662  DF  .~ Transparent wall or portion {3}
665.~.~ Two or more walls

DEFINITION

Classification: 220/665

Two or more walls:

(under subclass 662) Receptacle wherein more than one wall has a transparent area.