US PATENT SUBCLASS 232 / 38
.~ Frame construction

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

17  DF  LETTER BOXES {12}
38.~ Frame construction

DEFINITION

Classification: 232/38

(under subclass 17) Subject matter having inventions showing the details of frame construction and the materials used, but not special shapes are placed here.