US PATENT SUBCLASS 320 / 165
.~ With current sensing to detect proper battery connection (e.g., polarity, ripple, reverse current, etc.)

Current as of: June, 1999
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320 /   HD   ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING

137  DF  BATTERY OR CELL CHARGING {11}
165.~ With current sensing to detect proper battery connection (e.g., polarity, ripple, reverse current, etc.)

DEFINITION

Classification: 320/165

With current sensing to detect proper battery connection (e.g., polarity, ripple, reverse current, etc.):

(under subclass 137) Subject matter for sensing the current to detect a proper battery connection.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

133, for nonquantitative measuring, testing, or sensing of electricity (i.e., polarity tester).

361, Electricity: Electrical Systems and Devices,

245+, for polarity reversing, manual and automatic.