1510440

Information

• Patent Grant
• 1510440

• References
• Source

• Patent Number

  1,510,440

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1924
  100 years ago

• CPC

  • G01P3/58 - by measuring or comparing amplitudes of generated currents or voltage

• US Classifications

  • 324 - Electricity: measuring and testing
  • 235 - Registers