Chemistry: molecular biology and microbiology – Apparatus
Reexamination Certificate
2009-03-04
2010-11-23
Beisner, William H (Department: 1797)
Chemistry: molecular biology and microbiology
Apparatus
C100S171000, C100S176000, C100S179000, C100S223000
Reexamination Certificate
active
07838280
ABSTRACT:
A device for wringing a biological mass of cultures has a substantially vertical container having a bottom provided with a discharge opening, a rotor means located under the discharge opening and including at least two rotors which are rotatable toward one another to receive a biological mass therebetween, wherein the rotors are provided with a plurality of substantially radially extending plungers which are displaceable in a radial direction.
REFERENCES:
patent: 3927680 (1975-12-01), Stefan et al.
patent: 4917009 (1990-04-01), Edo
Gitman Jacob
Shvabsky Oleg
Beisner William H
Henkel Danielle
Zborovsky I.
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