Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Reexamination Certificate
2003-10-09
2008-07-01
Warden, Jill (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
C422S052000, C422S051000, C436S150000, C204S400000, C204S229100, C204S228900, C204S229900
Reexamination Certificate
active
07393504
ABSTRACT:
A flow injection electrochemical detecting device has a base (10), a cover pivotally mounted on the base (10), and a locking device attached between the base (10) and the cover (20). The base (10) has a recess (12) defined in a top to accommodate a working electrode inside the recess (12). An annular trench (28) in a bottom partially receives an O-ring (282) serving as a separator to form a space between the base (10) and the cover (20). Multiple channels are defined through the cover (20) to communicate with the space. Therefore, a flow injection electrochemical detecting device is achieved. By pivotally attaching the cover (20) on the base (10) and using the locking device, the detecting device is easily opened or closed to change the working electrode (50) in a convenient way.
REFERENCES:
patent: 5826718 (1998-10-01), Ahern et al.
patent: 6200531 (2001-03-01), Liljestrand et al.
Chung Hsieh-Hsun
Hsu Cheng-Teng
Huang Chun-Mu
Lyuu Hueih-Jing
Tsai Tung-Meng
Lowe Hauptman & Ham & Berner, LLP
Turk Neil
Warden Jill
Zen Jyh-Myng
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