US PATENT SUBCLASS 220 / 578
INTERNAL CLOSURE-LIKE MEMBER WHICH RESTS ON THE UNUSED CONTENTS OF A CONTAINER

Current as of: June, 1999
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220 /   HD   RECEPTACLES

578INTERNAL CLOSURE-LIKE MEMBER WHICH RESTS ON THE UNUSED CONTENTS OF A CONTAINER {2}
579  DF  .~> Foldable for insertion into a container
580  DF  .~> Vent means through closure-like member

DEFINITION

Classification: 220/578

INTERNAL CLOSURE-LIKE MEMBER WHICH RESTS ON THE UNUSED CONTENTS OF A CONTAINER:

(under the class definition) Device comprising an inner member which lies upon the remaining contents of a container to reduce exposure of the contents to the atmosphere.

(1) Note. The internal closure-like member prevents, for example, unused paint from skinning and coffee from loosing its aroma or flavor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200+, for a closure, per se.

216+, for a floating closure.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

349+, for a food cooking device having a follower which presses against the food. 100, Presses,

240+, for box and piston type reciprocating platen not elsewhere provided for.

215, Bottles and Jars,

231, for a bottle or jar provided with a means to purposely depress or contact receptacle contents.

217, Wooden Receptacles,

86, for a follower for a wooden barrel.

222, Dispensing,

386+, for a dispenser having a follower type discharge

assistant.

401, Coating Implements With Material Supply,

141, for a reservoir containing a floating follower.