US PATENT SUBCLASS 361 / 194
.~.~ Holding means

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}
194.~.~ Holding means

DEFINITION

Classification: 361/194

Holding means:

(under subclass 160) Subject matter having holding means to hold the relay or solenoid in the operated state, despite the lapsing of the original control signal.