994669

Information

• Patent Grant
• 994669

• References
• Source

• Patent Number

  994,669

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1911
  113 years ago

• CPC

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

• US Classifications

  • 073 - Measuring and testing
  • 138 - Pipes and tubular conduits