2477747

Information

• Patent Grant
• 2477747

• References
• Source

• Patent Number

  2,477,747

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1949
  75 years ago

• CPC

  • H01J13/34 - Igniting arrangements
  • H01J13/48 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
  • H01J2893/0087 - Igniting means Cathode spot maintaining or extinguishing means

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 361 - Electricity: electrical systems and devices