US PATENT SUBCLASS 251 / 71
.~.~.~ Rotary electric motor


Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

66  DF  BIASED TRIP {5}
68  DF  .~ Electrical trip actuation {2}
70  DF  .~.~ With electrical resetting means {1}
71.~.~.~ Rotary electric motor


DEFINITION

Classification: 251/71

(under subclass 70) Subject matter wherein the electrical valve actuating means includes a rotary electric motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

133+, for rotary electric motor valve actuators not of the trip type.