3120125

Information

• Patent Grant
• 3120125

• References
• Source

• Patent Number

  3,120,125

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1964
  61 years ago

• CPC

  • G01F23/2927 - for several discrete levels
  • Y10S250/903 - with prism contacting liquid

• US Classifications

  • 073 - Measuring and testing
  • 116 - Signals and indicators
  • 250 - Radiant energy
  • 356 - Optics: measuring and testing