1952171

Information

• Patent Grant
• 1952171

• References
• Source

• Patent Number

  1,952,171

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1934
  90 years ago

• CPC

  • G01G1/38 - with automatically-driven counterweight
  • G05D3/16 - whose output amplitude can only take a number of discrete values

• US Classifications

  • 177 - Weighing scales
  • 235 - Registers
  • 340 - Communications: electrical