2308939

Information

• Patent Grant
• 2308939

• References
• Source

• Patent Number

  2,308,939

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1943
  82 years ago

• CPC

  • H01J13/16 - Anodes Auxiliary anodes for maintaining the discharge
  • H01J2893/009 - Anode systems Screens

• US Classifications

  • 313 - Electric lamp and discharge devices