US PATENT SUBCLASS 334 / 37
.~.~ Glow discharge


Current as of: June, 1999
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334 /   HD   TUNERS

30  DF  WITH RESONANCE INDICATOR {3}
36  DF  .~ Lamp type {1}
37.~.~ Glow discharge


DEFINITION

Classification: 334/37

(under subclass 36) Subject matter wherein the resonance indicator lamp is of the gaseous glow discharge tube type, such as, for example, a neon lamp.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices,

567+, for electric lamp and discharge devices which include an envelope and an atmosphere of gas or vapor within the envelope. See also the Search Notes under this subclass for an additional field of search relating to gaseous discharge tubes and circuits.