US PATENT SUBCLASS 335 / 34
.~.~.~.~.~.~ With lockout

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
6  DF  .~ Automatic circuit-interrupting devices (e.g., circuit-protective devices) {12}
21  DF  .~.~ With latch or trip means {6}
26  DF  .~.~.~ Reclosing or resetting {2}
28  DF  .~.~.~.~ Automatic combined with timing or delay means {4}
32  DF  .~.~.~.~.~ With counting or integrating means (e.g., repetitive for given number of reclosures) {2}
34.~.~.~.~.~.~ With lockout

DEFINITION

Classification: 335/34

(under subclass 32) Subject matter wherein the timing or delay means comprises significant structure whereby the main contacts are positively restrained from being reclosed after a given sequence of opening and reclosing operations.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77, for motor operated switches with significant locking means.

113, for automatically actuated plural contact switches with locking or latching means.

157+, for other electromagnetically actuated switches with lockout (open) means.