US PATENT SUBCLASS 220 / 279
.~.~.~.~ Wire, string, or like (e.g., rip cord)

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
260  DF  .~ With closure opening arrangements for means (e.g., opening devices) {5}
265  DF  .~.~ Frangible member or portion {2}
277  DF  .~.~.~ With cutting, punching, or cutter accommodating means {2}
279.~.~.~.~ Wire, string, or like (e.g., rip cord) {1}
280  DF  .~.~.~.~.~> About seam

DEFINITION

Classification: 220/279

(under subclass 277) Device comprising a cutting operation, the cutter being a wire, cord or the like.

SEE OR SEARCH CLASS

53, Package Making,

133, for machines to form a package having an opening device incorporated therewith (e.g., a tear strip).