US PATENT SUBCLASS 361 / 157
.~ Including instrument (e.g., meter-relay)

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.~ Including instrument (e.g., meter-relay) {1}
158  DF  .~.~> Temperature indicating instrument

DEFINITION

Classification: 361/157

Including instrument (e.g., meter-relay):

(under subclass 139) Subject matter wherein an instrument is included in the control circuit.

(1) Note. The instrument may itself be the combination of a meter with contacts or a relay may be combined with the meter so that the meter movement actuates the relay.