3882887

Information

• Patent Grant
• 3882887

• References
• Source

• Patent Number

  3,882,887

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1975
  49 years ago

• CPC

  • G01F23/2927 - for several discrete levels
  • Y10S250/903 - with prism contacting liquid
  • Y10T137/7287 - Liquid level responsive or maintaining systems
  • Y10T137/8342 - Liquid level responsive indicator, recorder or alarm

• US Classifications

  • 137 - Fluid handling
  • 250 - Radiant energy
  • 340 - Communications: electrical