Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
  • H01J19/28—Non-electron-emitting electrodes; Screens
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J2893/00—Discharge tubes and lamps
  • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
  • H01J2893/0012—Constructional arrangements
  • H01J2893/0013—Sealed electrodes

Applications Claiming Priority (1)

Publications (1)

Family

ID=19802618

Family Applications (1)

Country Status (7)

• 1968
  • 1968-01-27 NL NL6801264A patent/NL6801264A/xx unknown
  • 1968-11-27 FR FR1593681D patent/FR1593681A/fr not_active Expired
• 1969
  • 1969-01-24 AT AT72769A patent/AT281212B/de not_active IP Right Cessation
  • 1969-01-24 CH CH109369A patent/CH488285A/de not_active IP Right Cessation
  • 1969-01-24 GB GB409369A patent/GB1183309A/en not_active Expired
  • 1969-01-25 ES ES362924A patent/ES362924A1/es not_active Expired
  • 1969-01-27 BE BE727468D patent/BE727468A/xx unknown

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