2420942

Information

• Patent Grant
• 2420942

• References
• Source

• Patent Number

  2,420,942

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1947
  77 years ago

• CPC

  • H05B41/22 - for lamps having an auxiliary starting electrode

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices