Apparatus or processes specially adapted for the manufacture of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps

Child Classifications

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• H01J 9/003 +1 CPC CPC only CPC only
• H01J 9/02 Manufacture of electrodes or electrode systems +1 CPC IPC+CPC Available in IPC and CPC
• H01J 9/20 Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel +1 CPC IPC+CPC Available in IPC and CPC
• H01J 9/236 Manufacture of magnetic deflecting devices for cathode-ray tubes since 1980 IPC+CPC Available in IPC and CPC
• H01J 9/24 Manufacture or joining of vessels, leading-in conductors or bases +3 CPC IPC+CPC Available in IPC and CPC
• H01J 9/38 Exhausting, degassing, filling, or cleaning vessels IPC+CPC Available in IPC and CPC
• H01J 9/40 Closing vessels IPC+CPC Available in IPC and CPC
• H01J 9/42 Measurement or testing during manufacture IPC+CPC Available in IPC and CPC
• H01J 9/44 Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances +1 CPC IPC+CPC Available in IPC and CPC
• H01J 9/46 Machines having sequentially arranged operating stations IPC+CPC Available in IPC and CPC
• H01J 9/50 Repairing or regenerating used or defective discharge tubes or lamps +1 CPC IPC+CPC Available in IPC and CPC
• H01J 9/52 Recovery of material from discharge tubes or lamps (H01J9/50 takes precedence) since 2000 IPC+CPC Available in IPC and CPC