3677067

Information

• Patent Grant
• 3677067

• References
• Source

• Patent Number

  3,677,067

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • G01N9/002 - using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
  • G06G7/625 - for filters for delay lines
  • G01N2009/008 - Schlatter vibrating vane type

• US Classifications

  • 073 - Measuring and testing
  • 330 - Amplifiers