US PATENT SUBCLASS 314 / 6
.~.~ Current- and/or potential-actuated release

Current as of: June, 1999
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314 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: CONSUMABLE ELECTRODES

1  DF  AUTOMATIC SUBSTITUTION OF DISCHARGE DEVICE, ELECTRODE OR LAMP {3}
4  DF  .~ Common electrode-operating type {2}
6.~.~ Current- and/or potential-actuated release

DEFINITION

Classification: 314/6

(under subclass 4) Subject matter wherein an electro-responsive device, which is automatically operated in response to the failure of the first operated electrode, is used to place the second operated electrode in operative condition.

(1) Note. Continue the search in subclass 2 of this class.