US PATENT SUBCLASS 34 / 532
.~.~.~.~.~ Gaseous tube (e.g., neon)

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
524  DF  .~ With automatic control {11}
526  DF  .~.~ Of plural operations {3}
527  DF  .~.~.~ Of specific operational sequence {5}
531  DF  .~.~.~.~ With threshold circuit device {2}
532.~.~.~.~.~ Gaseous tube (e.g., neon)

DEFINITION

Classification: 34/532

Gaseous tube (e.g., neon):

(under subclass 531) Apparatus wherein the conductive element is a tube filled with a conducting gas.