3535934

Information

• Patent Grant
• 3535934

• References
• Source

• Patent Number

  3,535,934

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1970
  54 years ago

• CPC

  • G01F23/2924 - for several discrete levels
  • Y10S116/05 - using light guides

• US Classifications

  • 073 - Measuring and testing
  • 116 - Signals and indicators
  • 359 - Optical: systems and elements
  • 429 - Chemistry: electrical current producing apparatus, product, and process