US PATENT SUBCLASS 313 / 612
.~.~.~ Substantially the full length of discharge path

Current as of: June, 1999
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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

567  DF  WITH GAS OR VAPOR {24}
609  DF  .~ Having baffle, partition, or constricting means affecting discharge {2}
611  DF  .~.~ Constriction means {1}
612.~.~.~ Substantially the full length of discharge path

DEFINITION

Classification: 313/612

Substantially the full length of discharge path:

(under subclass 611) Subject matter wherein the physical means to reduce the cross-sectional area of the discharge extends substantially the entire length of the discharge between main electrodes of the tube.