US PATENT SUBCLASS 222 / 552
.~.~.~ Screw plug or disc

Current as of: June, 1999
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222 /   HD   DISPENSING

544  DF  WITH FLOW CONTROLLER OR CLOSURE {7}
548  DF  .~ Rotary, axially {4}
549  DF  .~.~ With axial longitudinal motion {3}
552.~.~.~ Screw plug or disc

DEFINITION

Classification: 222/552

(under subclass 549) Dispensers in which the dispensing opening is filled by a plug or disc which screws thereinto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

551, for screw caps and see the notes thereto.

554, for other types of axially rotary plugs.

563, for miscellaneous plugs.

SEE OR SEARCH CLASS

215, Bottles and Jars, 356+, for screw plug closures and subclass 314 for tube type closures with screw valves.

220, Receptacles,

288+, for screw plug closures.