US PATENT SUBCLASS 232 / 29
.~ Auxiliary, cooperating

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

17  DF  LETTER BOXES {12}
29.~ Auxiliary, cooperating

DEFINITION

Classification: 232/29

(under subclass 17) Boxes intended for use in connection with other letter boxes and modified for this purpose. The usual modification consists in shaping them to conform to such other boxes in shape.