Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Reexamination Certificate
2002-01-08
2008-10-14
Soderquist, Arlen (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
C422S081000, C422S082010, C422S082030, C436S086000, C436S087000, C436S094000, C436S525000
Reexamination Certificate
active
07435384
ABSTRACT:
An instrument (A) detects in a sample the presence of an analyte. The sample includes electrically readable particles (126) with an agent attached thereto that binds with the analyte or is an analog of the analyte. The instrument includes a port for the sample and a pair of electrodes (25, 30), one of which has a surface portion (30a) with an agent thereat that binds with the analyte or is an analog of the analyte. The electrodes have a first position where they are separated a sufficient distance apart to enable the sample to move between the electrodes and a second position where the electrodes are in close proximity. A detection circuit, including the electrodes, has a first state when the analyte is absent and a second state when the analyte is present. A signaling device provides an indication of the state of the detection circuit.
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Connors John J.
Connors & Assoc. Inc.
Soderquist Arlen
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