3191430

Information

• Patent Grant
• 3191430

• References
• Source

• Patent Number

  3,191,430

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1965
  59 years ago

• CPC

  • G04D7/002 - Electrical measuring and testing apparatus
  • G01N29/12 - by measuring frequency or resonance of acoustic waves

• US Classifications

  • 073 - Measuring and testing
  • 367 - Communications, electrical: acoustic wave systems and devices
  • 968 - Horology