US PATENT SUBCLASS 232 / 48
.~.~.~ Double

Current as of: June, 1999
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232 /   HD   DEPOSIT AND COLLECTION RECEPTACLES

44  DF  CLOSURES AND CHUTES {4}
45  DF  .~ Letter box {4}
47  DF  .~.~ Pivoted trap {3}
48.~.~.~ Double

DEFINITION

Classification: 232/48

(under subclass 47) The closing means consists of two cooperating traps, each covering a part (usually half) of the opening.