US PATENT SUBCLASS 229 / 312
.~.~.~.~ Extends along envelope side edge

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

68.1  DF  ENVELOPE {10}
307  DF  .~ Having means to facilitate opening the envelope by severing it (e.g., tearing, cutting, piercing, etc.) {3}
309  DF  .~.~ Envelope includes a separate tearing element which is gripped and pulled to open the envelope {2}
311  DF  .~.~.~ Cord, string, wire, or thread {1}
312.~.~.~.~ Extends along envelope side edge

DEFINITION

Classification: 229/312

Extends along envelope side edge:

(under subclass 311) Subject matter wherein the cord, string, wire, or thread is positioned at a lateral margin of the envelope.

SEE OR SEARCH THIS CLASS, SUBCLASS:

316, for an envelope having a line of weakness in a similar location.