Measuring and testing – Liquid level or depth gauge – Immersible electrode type
Reexamination Certificate
2007-04-24
2007-04-24
Williams, Hezron (Department: 2856)
Measuring and testing
Liquid level or depth gauge
Immersible electrode type
C073S29000R
Reexamination Certificate
active
11178571
ABSTRACT:
A metal rod-shaped element for a liquid detecting device is essentially cylindrical and has first and second ends. In at least one length, starting from the second end, the element has an isolating coating and an electrode strip is provided which extends along a longitudinal axis of the element. The electrode strip is not electrically connected to the element and the strip comprises a high impedance material. Two flattened sections are provided where the metal of the element lies openly. In a cross sectional view the electrode strip is situated between the two flattened sections. A first contact mechanism is provided in order to establish, in the range of the first end, an electrical contact to the rod-shaped element, and a second contact mechanism is provided in order to establish, within the range of the first end, an electrical contact to the electrode strip.
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Eurpoean Search Report for EP Application 05105535.8.
Eglauer Heribert
Kolb Uwe
Schlager Gerhard
Schubert Ulrich
Frank Rodney
Notaro & Michalos P.C.
Tecan Trading AG
Williams Hezron
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