2020962

Information

• Patent Grant
• 2020962

• References
• Source

• Patent Number

  2,020,962

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1935
  89 years ago

• CPC

  • H01J13/04 - Main electrodes Auxiliary anodes
  • H01J13/32 - Cooling arrangements Heating arrangements
  • H01J2893/0074 - Cathodic cups Screens Reflectors Filters Windows Protection against mercury deposition Returning condensed electrode material to the cathodic cup Liquid electrode level control

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 220 - Receptacles