US PATENT SUBCLASS 222 / 476
SPACED, ALTERNATELY SEATED FLOW CONTROLLERS OR CLOSURES FOR SINGLE OUTLET


Current as of: June, 1999
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222 /   HD   DISPENSING

476SPACED, ALTERNATELY SEATED FLOW CONTROLLERS OR CLOSURES FOR SINGLE OUTLET


DEFINITION

Classification: 222/476

(under the class definition) Dispensers in which plural spaced discharge controllers or closures are alternately seated in a single container outlet.

(1) Note. The structure necessary for a trap chamber is lacking and the quantity discharged being determined only by the duration of the interval of free flow from the unseating of the first to the seating of the second flow controller or closure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

196.1+, for this subject matter where the dispenser is of the hand manipulable shaker type.

365, for reciprocating trap chambers having plural concentric enlargements on a stem.

425+, for plural, spaced discharge controllers associated with a trap chamber, and see the Notes thereto.

SEE OR SEARCH CLASS 137, Fluid Handling, see search note under Lines With Other Classes and Within This Class, Stationary Traps, this class definition.

221, Article Dispensing,

298, for article dispensers having separately acting series controllers, and subclasses 299+ for similar structures in which the series controllers are of integral structures.