US PATENT SUBCLASS 361 / 172
.~.~.~.~ Including electronic element

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
160  DF  .~ For relays or solenoids {11}
170  DF  .~.~ Condition responsive (e.g., external circuit condition) {9}
171  DF  .~.~.~ Code responsive {1}
172.~.~.~.~ Including electronic element

DEFINITION

Classification: 361/172

Including electronic element:

(under subclass 171) Subject matter wherein electronic devices are utilized.