US PATENT SUBCLASS 99 / 473
.~ Including means to influence movement of gas within enclosure

Current as of: June, 1999
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99 /   HD   FOODS AND BEVERAGES: APPARATUS

467  DF  SUBJECTING FOOD TO AN ENCLOSED MODIFIED ATMOSPHERE {7}
473.~ Including means to influence movement of gas within enclosure {4}
474  DF  .~.~> By forcing gas to circulate {2}
477  DF  .~.~> With means to move food {1}
480  DF  .~.~> By movable damper
481  DF  .~.~> By static deflector (e.g., smoke)

DEFINITION

Classification: 99/473

(under subclass 467) Device including an element which may change the direction or rate of movement of the gaseous matter inside the chamber.