US PATENT SUBCLASS 104 / 88.02
.~ Electrical control

Current as of: June, 1999
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104 /   HD   RAILWAYS

88.01  DF  SELECTIVE DELIVERY {1}
88.02.~ Electrical control {3}
88.03  DF  .~.~> Centralized {1}
88.05  DF  .~.~> Including override feature
88.06  DF  .~.~> Including pre-established manual setting

DEFINITION

Classification: 104/88.02

Electrical control:

(under subclass 88.01) Subject matter wherein the delivery of the rolling stock is regulated by a device which is electrically powered.

(1) Note. The device for this subclass may include a control means comprising an electrically operated mechanical mechanism such as an electrically operated fluid-pressure control means.

SEE OR SEARCH CLASS

246, Railway Switches and Signals,

28, for automatic electric control for signals.