US PATENT SUBCLASS 222 / 541.6
.~ About line or point of weakness

Current as of: June, 1999
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222 /   HD   DISPENSING

541.1  DF  WITH FRANGIBLE CLOSURE FOR OUTLET {4}
541.6.~ About line or point of weakness {2}
541.7  DF  .~.~> Adapted for engagement with special tool (e.g., slotted key) {1}
541.9  DF  .~.~> With integral gripping means (e.g., pull tab)

DEFINITION

Classification: 222/541.6

About line or point of weakness:

(under subclass 541.1) Subject matter wherein the break, tear, or cut occurs about a predetermined line or point of weakness.

SEE OR SEARCH THIS CLASS, SUBCLASS:

541.4, for a closure or a closure portion broken about a line or point of weakness by the pressure of container content.

SEE OR SEARCH CLASS

215, Bottles and Jars,

250+, for a frangible closure under that class definition.

220, Receptacles,

266+, for a frangible closure about a line or point of weakness.