Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 1, 2008
Patent Application Number
11186939
Date Filed
July 22, 2005
Patent Primary Examiner
Patent abstract
A liquid level detection apparatus of the present invention includes contacts provided at a distal end portion of a contact plate, and resistance plates which are formed on a wiring board, and have respective conductor portions over which the contacts can slide, respectively, so as to detect a liquid level. Conductor patterns other than the conductor portions are formed on those regions of the wiring board which the contacts at the distal end portion of the contact plate contact during the time when an arm holder is mounted on the wiring board.
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