US PATENT SUBCLASS 220 / 817
.~.~ About multiple axes

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
810  DD  .~ Pivotable, (e.g., hinged) {13}
817.~.~ About multiple axes {2}
818  DD  .~.~.~> Multiple plane swing
819  DD  .~.~.~> Plural connected pivotable closure sections