3539919

Information

• Patent Grant
• 3539919

• References
• Source

• Patent Number

  3,539,919

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  55 years ago

• CPC

  • G01N15/1218 - concerning the aperture
  • Y10S65/06 - Glass electrode

• US Classifications

  • 324 - Electricity: measuring and testing
  • 065 - Glass manufacturing