(under the class definition) Subject matter which includes an envelope for a lamp or discharge device, at least an electrode or a filament and a material within the envelope capable of emitting a gas.
(1) Note. The subcombination of an envelope of a lamp or discharge device and a gas within the envelope and a material which will generate a gas is here in the absence of another class to take this subcombination. Also an electrode, per se, with gas generating material is here.
SEE OR SEARCH THIS CLASS, SUBCLASS:
551, for gas generating means within the envelope having heating means other than the heat developed in the operation of the lamp or discharge device.
SEE OR SEARCH CLASS
206, Special Receptacle or Package,
0.6+, for a receptacle with a gas therein. 315, Electric Lamp and Discharge Devices: Systems,
108, for gas or vapor type load device with pressure regulating means and subclasses 111.01+ for a discharge device load with fluent material supply to discharge space.
361, Electricity: Electrical Systems and Devices,
120, for gas filled space discharge device in safety and protection of systems and devices to dissipate high voltage arcs.
