1691447

Information

• Patent Grant
• 1691447

• References
• Source

• Patent Number

  1,691,447

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1928
  96 years ago

• CPC

  • H01J13/16 - Anodes Auxiliary anodes for maintaining the discharge
  • H01J2893/0094 - Electrode arrangements Auxiliary electrodes

• US Classifications

  • 363 - Electric power conversion systems
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems