3384885

Information

• Patent Grant
• 3384885

• References
• Source

• Patent Number

  3,384,885

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1968
  56 years ago

• CPC

  • G01F23/2927 - for several discrete levels
  • Y10S250/901 - with gap between light guide elements, includes open light path preset
  • Y10S250/902 - with closed light path preset
  • Y10S250/903 - with prism contacting liquid

• US Classifications

  • 340 - Communications: electrical
  • 250 - Radiant energy
  • 356 - Optics: measuring and testing