US PATENT SUBCLASS 361 / 166
.~.~ Plural relays or solenoids sequentially 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.~.~ Plural relays or solenoids sequentially operated {2}
167  DF  .~.~.~> Alternately operated
168.1  DF  .~.~.~> Pulse responsive {1}

DEFINITION

Classification: 361/166

Plural relays or solenoids sequentially operated:

(under subclass 160) Subject matter having plural relays or solenoids as the controlled devices which are operated in a predetermined sequence.

SEE OR SEARCH THIS CLASS, SUBCLASS:

171, for this subject matter with code responsive control circuit.