3745821

Information

• Patent Grant
• 3745821

• References
• Source

• Patent Number

  3,745,821

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • G01L11/008 - electrostatic or electromagnetic counterbalancing forces
  • G01F15/075 - using electrically operated integrating means
  • G01L11/004 - by the use of counterbalancing forces
  • G01L19/08 - Means for indicating or recording

• US Classifications

  • 073 - Measuring and testing
  • 250 - Radiant energy