US PATENT SUBCLASS 229 / 76
.~ Closures

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

68.1  DF  ENVELOPE {10}
76.~ Closures {3}
77  DF  .~.~> Including a fastener {2}
80  DF  .~.~> Sealing {4}
84  DF  .~.~> Tongue

DEFINITION

Classification: 229/76

(under subclass 68) Subject matter relating to means for closing the mouth of the envelope.