1394661

Information

• Patent Grant
• 1394661

• References
• Source

• Patent Number

  1,394,661

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1921
  102 years ago

• CPC

  • G01L7/24 - involving balances in the form of rings partly filled with liquid

• US Classifications

  • 073 - Measuring and testing