US PATENT SUBCLASS 229 / 308
.~.~ Combined with, or modified for opening by, a sharp-edged cutting implement or a piercing implement

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}
308.~.~ Combined with, or modified for opening by, a sharp-edged cutting implement or a piercing implement

DEFINITION

Classification: 229/308

Combined with, or modified for opening by, a sharp-edged cutting implement or a piercing implement:

(under subclass 307) Subject matter wherein the envelope is combined with, or modified for opening by, an instrument having a keen edge or a fine point.

SEE OR SEARCH THIS CLASS, SUBCLASS:

204, for a box combined with, or modified for opening by, a sharp-edged cutting implement or a piercing implement.

SEE OR SEARCH CLASS

30, Cutlery, for a cutting implement, per se.

383, Flexible Bags,

202, for a bag combined with, or modified for opening by, a sharped-edged cutting implement or a piercing implement.