US PATENT SUBCLASS 229 / 77
.~.~ Including a fastener

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

68.1  DF  ENVELOPE {10}
76  DF  .~ Closures {3}
77.~.~ Including a fastener {2}
78.1  DF  .~.~.~> Metallic {1}
79  DF  .~.~.~> Seal

DEFINITION

Classification: 229/77

Including a fastener:

(under subclass 76) Envelope closures provided with some special means of fastening.