2222140

Information

• Patent Grant
• 2222140

• References
• Source

• Patent Number

  2,222,140

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1940
  84 years ago

• CPC

  • G01G1/38 - with automatically-driven counterweight

• US Classifications

  • 177 - Weighing scales
  • 073 - Measuring and testing