US PATENT SUBCLASS 400 / 322
.~.~ By electric or magnetic power

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

283  DF  CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11}
319  DF  .~ Carriage-feed mechanism (e.g., escapement, etc.) {14}
322.~.~ By electric or magnetic power

DEFINITION

Classification: 400/322

By electric or magnetic power:

(under subclass 319) Subject matter wherein the movement of the carriage* is caused by electricity or magnetism.

(1) Note. The electricity is supplied to an electric motor or to an electromagnet (e.g., a solenoid) which effects carriage-feed movements to the carriage. Also included in this subclass is a typewriter wherein a spring motor is assisted by an auxiliary electric motor.