US PATENT SUBCLASS 318 / 131
.~.~.~ Motor or escapement-controlled means

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

119  DF  RECIPROCATING OR OSCILLATING MOTOR {4}
126  DF  .~ Energizing winding circuit control {5}
129  DF  .~.~ By means for producing periodic electrical pulses in the energizing circuit {2}
131.~.~.~ Motor or escapement-controlled means

DEFINITION

Classification: 318/131

(under subclass 129) Subject matter in which the means for producing the periodic pulses includes a device of means which is actuated or controlled by a motor, or escapement device to control the periodicity of the pulses.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

1.5, for escapements, per se, of general application.

185, Motors: Spring, Weight, or Animal Powered,

5, 31, and 38 for escapement controlled spring and weight motors.