1381212

Information

• Patent Grant
• 1381212

• References
• Source

• Patent Number

  1,381,212

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1921
  103 years ago

• CPC

  • G01F23/52 - using electrically actuated indicating means

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 073 - Measuring and testing
  • 338 - Electrical resistors