US PATENT SUBCLASS 105 / 61
.~.~ Control

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

26.05  DF  LOCOMOTIVES {24}
49  DF  .~ Electric {7}
61.~.~ Control

DEFINITION

Classification: 105/61

(under subclass 49) Devices for controlling electric locomotives.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

543+, for rheostats in combination with motors.

338, Electrical Resistors,

50, for an electrical resistor mounted on wheels wherein the sole purpose of the wheel mounting is to make the resistor mobile, and subclasses 68+ for mechanically variable electrical resistors, per se.