US PATENT SUBCLASS 222 / 521
.~.~ Axial sationary closure plug

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


222 /   HD   DISPENSING

519  DF  AXIALLY ROTARY AND LONGITUDINALLY MOVABLE TUBES, SLEEVES, OR APERTURED CAPS {1}
520  DF  .~ Axial discharge {1}
521.~.~ Axial sationary closure plug

DEFINITION

Classification: 222/521

(under subclass 520) Dispensers in which there is a stationary plug located along the axis of the tube sleeve or apertured cap, which plug closes the passage therethrough when the tube or apertured cap is moved to one position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

525, for similarly arranged plugs for slidable tubes, sleeves or apertured caps not having a constrained motion or rotation.