US PATENT SUBCLASS 222 / 481
.~ Having flow controllers or closures

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

478  DF  WITH PLURAL OPENINGS OR DISCHARGE GUIDES {3}
481.~ Having flow controllers or closures {3}
481.5  DF  .~.~> With movable flexible or remotely connected vent pipes
482  DF  .~.~> Plural and/or single for plural openings {2}
488  DF  .~.~> For single passage into which plural passages merge {1}

DEFINITION

Classification: 222/481

(under subclass 478) Dispensers having at least one element in the form of either a closure or a flow controller (e.g., restrictor or valve) for at least one of the openings.

(1) Note. A flow controller may interrupt discharge by establishing the angle of repose of the material, when the outlet is not entirely closed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

425+, and see the notes thereto for trap chambers having single or plural cutoffs.

502+, for sectional controllers or closures for a single outlet.

544+, and see the notes thereto for flow controllers and closures in other relations.