US PATENT SUBCLASS 229 / 92.5
.~.~ Fastener

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

87.01  DF  WRAPPER {17}
92.1  DF  .~ Letter sheets {4}
92.5.~.~ Fastener

DEFINITION

Classification: 229/92.5

(under subclass 92.1) Subject matter having special fastening means for securing the folded packet.