US PATENT SUBCLASS 99 / 476
.~.~.~ Rotary pump

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


99 /   HD   FOODS AND BEVERAGES: APPARATUS

467  DF  SUBJECTING FOOD TO AN ENCLOSED MODIFIED ATMOSPHERE {7}
473  DF  .~ Including means to influence movement of gas within enclosure {4}
474  DF  .~.~ By forcing gas to circulate {2}
476.~.~.~ Rotary pump

DEFINITION

Classification: 99/476

(under subclass 474) Device including a revolving impeller means to move the gas.