US PATENT SUBCLASS 422 / 273
.~.~.~.~ Member conveys material into and out of container; e.g., screw propeller, etc.

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

243  DF  PHYSICAL TYPE APPARATUS {8}
255  DF  .~ Means separating or dissolving a material constituent {3}
261  DF  .~.~ Liquid-solid contact means {17}
269  DF  .~.~.~ Including rotating member {2}
273.~.~.~.~ Member conveys material into and out of container; e.g., screw propeller, etc.

DEFINITION

Classification: 422/273

Member conveys material into and out of container; e.g., screw propeller, etc.:

(under subclass 269) Apparatus wherein the member transports the solid material through the container.