US PATENT SUBCLASS 220 / 273
.~.~.~.~.~ Rivet connection between pull tab and removable portion integral with removable portion

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}
266  DF  .~.~.~ About line or point of weakness {4}
270  DF  .~.~.~.~ With gripping means (e.g., pull tab) {4}
273.~.~.~.~.~ Rivet connection between pull tab and removable portion integral with removable portion

DEFINITION

Classification: 220/273

(under subclass 270) Device wherein the pull tab and removable portion are connected by a rivet formed from and integral with the removable portion.