US PATENT SUBCLASS 435 / 304.3
.~.~.~ Flat culture flask

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}
304.1  DF  .~.~ Bottle, tube, jar, or flask {2}
304.3.~.~.~ Flat culture flask

DEFINITION

Classification: 435/304.3

Flat culture flask:

(under subclass 304.1) Apparatus having a substantially flat profile.

(1) Note. Such flasks typically have a primary opening protruding from a side wall.

(2) Note. An example of structures provided for herein is: [figure]