US PATENT SUBCLASS 229 / 69
.~ Series

Current as of: June, 1999
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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

68.1  DF  ENVELOPE {10}
69.~ Series

DEFINITION

Classification: 229/69

(under subclass 68) Subject matter comprising two or more envelopes so connected together as to permit their being separated without opening the pockets.

SEE OR SEARCH THIS CLASS, SUBCLASS:

72, for compartmented envelopes.