Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 22, 2009
Patent Application Number
11743111
Date Filed
May 1, 2007
Patent Primary Examiner
Patent abstract
A liquid level sensor system actuated by a column pressure includes a hollow member having a distal open end adapted to be positioned into a liquid reservoir to a depth below a liquid surface level, and a sensor head unit. The sensor head unit is responsive to the column pressure to provide an indication of a liquid level in the reservoir.
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