3120639

Information

• Patent Grant
• 3120639

• References
• Source

• Patent Number

  3,120,639

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1964
  60 years ago

• CPC

  • G01R5/14 - Moving-iron instruments

• US Classifications

  • 324 - Electricity: measuring and testing
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets