US PATENT SUBCLASS 307 / 142
.~.~ With locking, holding or braking means

Current as of: June, 1999
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307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

112  DF  SWITCHING SYSTEMS {5}
139  DF  .~ Switch actuation {5}
142.~.~ With locking, holding or braking means

DEFINITION

Classification: 307/142

(under subclass 139) Subject matter having locking, holding or breaking means for the switch.

SEE OR SEARCH CLASS

361, Electricity: Electrical Systems and Devices,

194, for miscellaneous relay circuits having holding means, such as a locking contact.