3218498

Information

• Patent Grant
• 3218498

• References
• Source

• Patent Number

  3,218,498

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1965
  59 years ago

• CPC

  • H01T7/00 - Rotary spark gaps
  • G01N21/67 - using electric arcs or discharges

• US Classifications

  • 313 - Electric lamp and discharge devices