3290594

Information

• Patent Grant
• 3290594

• References
• Source

• Patent Number

  3,290,594

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  58 years ago

• CPC

  • G01R11/40 - for polyphase operation

• US Classifications

  • 324 - Electricity: measuring and testing
  • 310 - Electrical generator or motor structure
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets