US PATENT SUBCLASS 53 / 468-- .~.~ Opening prior to filling and closing

US PATENT SUBCLASS 53 / 468
.~.~ Opening prior to filling and closing

Current as of: June, 1999
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53 /	HD	PACKAGE MAKING

396	DF	METHODS {22}
467	DF	.~ Filling preformed receptacle and closing {5}
468		.~.~ Opening prior to filling and closing

DEFINITION

Classification: 53/468

Opening prior to filling and closing:

(under subclass 467) Methods which include the step of uncovering a previously sealed or closed preformed receptacle prior to filling and closing.

(1) Note. Merely opening a collapsed receptacle is not considered an uncovering step for this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

381+, for apparatus for opening receptacles.

457, for methods of opening or setting up a collapsed

receptacle.

492, for methods of opening, per se.