US PATENT SUBCLASS 435 / 305.4
.~.~.~ Including cover seal

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

283.1  DF  APPARATUS {9}
289.1  DF  .~ Bioreactor {16}
305.1  DF  .~.~ Dish, plate, or tray {2}
305.4.~.~.~ Including cover seal

DEFINITION

Classification: 435/305.4

Including cover seal:

(under subclass 305.1) Apparatus which includes a means to prevent the passage of material to or from the interior of a dish, plate, or tray.