3904955

Information

• Patent Grant
• 3904955

• References
• Source

• Patent Number

  3,904,955

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • H01T13/58 - Testing
  • G01R13/42 - Instruments using length of spark discharge

• US Classifications

  • 324 - Electricity: measuring and testing