US PATENT SUBCLASS 232 / 30
.~ Collection devices

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

17  DF  LETTER BOXES {12}
30.~ Collection devices {1}
31  DF  .~.~> Safety receptacles {1}

DEFINITION

Classification: 232/30

(under subclass 17) Bags or boxes in which the mail is transported from the letter boxes to the post offices and which cooperate with the letter boxes. In some cases these receptacles form the receivers of the letter boxes.