3689908

Information

• Patent Grant
• 3689908

• References
• Source

• Patent Number

  3,689,908

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • G01F1/24 - with magnetic or electric coupling to the indicating device
  • G01P13/002 - with electrical coupling to the indicating devices
  • H02G15/28 - structurally associated with devices for indicating the presence or location of non-electric faults
  • H02H5/08 - responsive to abnormal fluid pressure, liquid level or liquid displacement

• US Classifications

  • 340 - Communications: electrical
  • 073 - Measuring and testing
  • 250 - Radiant energy