1387022

Information

• Patent Grant
• 1387022

• References
• Source

• Patent Number

  1,387,022

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1921
  103 years ago

• CPC

  • G01F23/52 - using electrically actuated indicating means

• US Classifications

  • 073 - Measuring and testing
  • 200 - Electricity: circuit makers and breakers
  • 222 - Dispensing
  • 235 - Registers
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems