US PATENT SUBCLASS 361 / 158
.~.~ Temperature indicating instrument

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

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
157  DF  .~ Including instrument (e.g., meter-relay) {1}
158.~.~ Temperature indicating instrument

DEFINITION

Classification: 361/158

Temperature indicating instrument:

(under subclass 157) Subject matter wherein the instrument of the meter-relay combination gives an indication of temperature.