3815424

Information

• Patent Grant
• 3815424

• References
• Source

• Patent Number

  3,815,424

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • G01N9/20 - by balancing the weight of the bodies
  • B01D11/0207 - Control systems

• US Classifications

  • 073 - Measuring and testing