US PATENT SUBCLASS 229 / 79
.~.~.~ Seal

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  DF  .~.~ Including a fastener {2}
79.~.~.~ Seal

DEFINITION

Classification: 229/79

(under subclass 77) Envelope closures in which the closure is effected by sealing-wax or other adhesive form of seal. Also included are those closures in which a fastener is protected by means of a seal.