3895235

Information

• Patent Grant
• 3895235

• References
• Source

• Patent Number

  3,895,235

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1975
  50 years ago

• CPC

  • G01N9/18 - Special adaptations for indicating, recording, or control
  • G01F23/706 - using opto-electrically actuated indicating means
  • H01M10/484 - for measuring electrolyte level, electrolyte density or electrolyte conductivity
  • Y10S250/901 - with gap between light guide elements, includes open light path preset

• US Classifications

  • 250 - Radiant energy
  • 073 - Measuring and testing