US PATENT SUBCLASS 361 / 167
.~.~.~ Alternately operated

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}
166  DF  .~.~ Plural relays or solenoids sequentially operated {2}
167.~.~.~ Alternately operated

DEFINITION

Classification: 361/167

Alternately operated:

(under subclass 166) Subject matter wherein the plural relays or solenoids are operated in an alternate sequence.