US PATENT SUBCLASS 422 / 294
.~.~ Including flexible or collapsible treating chamber

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}
292  DF  .~ Apparatus for treating solid article or material with fluid chemical {4}
294.~.~ Including flexible or collapsible treating chamber

DEFINITION

Classification: 422/294

Including flexible or collapsible treating chamber:

(under subclass 292) Apparatus having a treating chamber made of thin, flexible material; e.g., plastic film.