2774904

Information

• Patent Grant
• 2774904

• References
• Source

• Patent Number

  2,774,904

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • H01T13/26 - for adjusting spark gap otherwise than by bending of electrode

• US Classifications

  • 313 - Electric lamp and discharge devices