2478764

Information

• Patent Grant
• 2478764

• References
• Source

• Patent Number

  2,478,764

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1949
  75 years ago

• CPC

  • 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