US PATENT SUBCLASS 222 / 255
.~.~ Pumps only

Current as of: June, 1999
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222 /   HD   DISPENSING

251  DF  WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30}
252  DF  .~ Plural {9}
255.~.~ Pumps only

DEFINITION

Classification: 222/255

(under subclass 252) Dispensers in which all the discharge assistants are pumps.

SEE OR SEARCH THIS CLASS, SUBCLASS:

254, for plural dispensing pumps with one or more discharge assistants of other types.

SEE OR SEARCH CLASS

137, Fluid Handling,

565.29+, for distribution systems comprising plural