2685080

Information

• Patent Grant
• 2685080

• References
• Source

• Patent Number

  2,685,080

• Date Filed

  Not available

• Date Issued

  Tuesday, July 27, 1954
  71 years ago

• CPC

  • G01R11/40 - for polyphase operation

• US Classifications

  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical