US PATENT SUBCLASS 53 / 382.1
.~ Means to open flap, e.g., carton, flap, box lid, etc.

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

381.1  DF  MEANS TO OPEN OR ERECT RECEPTACLE {6}
382.1.~ Means to open flap, e.g., carton, flap, box lid, etc. {1}
382.2  DF  .~.~> Means to fold flap about line perpendicular to receptacle movement {1}

DEFINITION

Classification: 53/382.1

Means to open flap, e.g., carton flap, box lid, etc.:

(under subclass 381.1) Apparatus including means particularly intended to lift a portion of the cover that projects therefrom which is either integral with the cover or is a distinct member attached to the cover.

(1) Note. A "flap" may pivot about an axis or may pivot about a loosely defined axis. A distinct lid pivotally attached to a cover is considered to be a "flap".