US PATENT SUBCLASS 435 / 291.3
.~.~.~ Vertically spaced stages, levels, or floors
Current as of:
June, 1999
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435 /
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CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY
283.1
DF
APPARATUS
{9}
289.1
DF
.~ Bioreactor {16}
291.1
DF
.~.~ Malting or mashing apparatus {3}
291.3
.~.~.~ Vertically spaced stages, levels, or floors {1}
291.4
DF
.~.~.~.~
> Cascading
DEFINITION
Classification: 435/291.3
Vertically spaced stages, levels, or floors:
(under subclass 291.1) Apparatus wherein the bioreactor includes a series of vertically spaced stages, levels, or floors.