US PATENT SUBCLASS 455 / 573
.~.~.~ Battery charging

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

73  DF  TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) {9}
550  DF  .~ Radiotelephone equipment detail {17}
572  DF  .~.~ Power supply {2}
573.~.~.~ Battery charging

DEFINITION

Classification: 455/573

Battery charging:

(under subclass 572) Subject matter having details of the charging or recharging of a DC voltage source.

SEE OR SEARCH CLASS

320, Electricity: Battery and Condenser Charging and Discharging, appropriate subclasses for battery charging in general.