US PATENT SUBCLASS 222 / 518
.~ For elements reciprocable axially of discharge opening

Current as of: June, 1999
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222 /   HD   DISPENSING

511  DF  WITH RESILIENT BIASING MEANS FOR OUTLET ELEMENT {6}
518.~ For elements reciprocable axially of discharge opening

DEFINITION

Classification: 222/518

(under subclass 511) Dispensers in which the movable element reciprocates axially of an opening through which material flows.

SEE OR SEARCH THIS CLASS, SUBCLASS:

246, for agitator combinations having the same motion.

336+, for biased discharge assistants having the same motion.

496+, for biased reciprocable outlet elements operable by the pressure of the dispensed contents.

509, for outlet elements having this motion and a relatively movable actuator.

510, for outlet elements having this motion and a rod actuator extending through the container interior and out through a wall thereof.