(under subclass 46) Method for manufacturing or fabricating and electrode of the type which emits or gives off electrons, the electrode itself eventually consumed in the process.
SEE OR SEARCH CLASS
252, Compositions,
500+, for electrically conductive or emissive compositions.
313, Electric Lamp and Discharge Devices,
326+, for electrode and shield structures of lamp and discharge devices, note especially subclass 346 for cathodes containing or coated with electron emissive material.