US PATENT SUBCLASS 422 / 295
.~.~ Including pressure treating chamber (above ambient)

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}
295.~.~ Including pressure treating chamber (above ambient) {3}
296  DF  .~.~.~> Fluid pressure maintains closure or seal
297  DF  .~.~.~> And rack, support or handling means
298  DF  .~.~.~> And vaporizer; e.g., boiler, etc. {1}

DEFINITION

Classification: 422/295

Including pressure treating chamber (above ambient):

(under subclass 292) Apparatus having a compartment for treating the article or material with the compartment pressure being above normal pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28+, for process of disinfecting or sterilizing using steam.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

323.4+, for cereal puffing apparatus; subclasses 359+ for canned food processors; and subclasses 403+ for food boilers and fryers.

126, Stoves and Furnaces,

19, 273, and 369+ for ovens or steaming apparatus. 162, Paper Making and Fiber Liberation,

233+, for fiber digesters (for making paper pulp).