3821901

Information

• Patent Grant
• 3821901

• References
• Source

• Patent Number

  3,821,901

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  50 years ago

• CPC

  • G01G3/06 - wherein the weighing element is in the form of a spiral spring
  • G01N9/20 - by balancing the weight of the bodies

• US Classifications

  • 073 - Measuring and testing