2311331

Information

• Patent Grant
• 2311331

• References
• Source

• Patent Number

  2,311,331

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1943
  81 years ago

• CPC

  • G01L3/1492 - involving electric couplings

• US Classifications

  • 073 - Measuring and testing
  • 310 - Electrical generator or motor structure