US PATENT SUBCLASS 222 / 321.2
.~.~.~ With precompression

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

251  DF  WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30}
320  DF  .~ With movable nozzle interconnected therewith {1}
321.1  DF  .~.~ With material supply container and discharge assistant casing {6}
321.2.~.~.~ With precompression

DEFINITION

Classification: 222/321.2

With precompression:

(under subclass 321.1) Subject matter including means for preventing a flow of material from the discharge assistant until a predetermined discharge pressure is reached.