Measuring and testing – Liquid level or depth gauge – Float
Reexamination Certificate
2007-05-29
2007-05-29
Williams, Hezron (Department: 2856)
Measuring and testing
Liquid level or depth gauge
Float
C116S227000, C073S314000
Reexamination Certificate
active
10792590
ABSTRACT:
The invention relates to a filling level sensor for a fuel tank with a float which is fastened to a lever arm and at least one contact which is arranged on the lever arm and is in connection with a slider track formed as a thick-film resistor. The thick-film resistor consists of at least two precious metals, one precious metal being silver and present in a smaller proportion than the other precious metal.
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Pauer Bernd
Rumpf Bernd
Bellamt Tamiko
Mayer Brown Rowe & Maw LLP
Williams Hezron
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