2969500

Information

• Patent Grant
• 2969500

• References
• Source

• Patent Number

  2,969,500

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1961
  63 years ago

• CPC

  • H01T13/58 - Testing
  • H01T13/48 - having means for rendering sparks visible

• US Classifications

  • 324 - Electricity: measuring and testing
  • 313 - Electric lamp and discharge devices