3040583

Information

• Patent Grant
• 3040583

• References
• Source

• Patent Number

  3,040,583

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1962
  62 years ago

• CPC

  • G01L9/0077 - for measuring reflected light
  • G01L9/0088 - using photoelectric means

• US Classifications

  • 073 - Measuring and testing
  • 250 - Radiant energy
  • 356 - Optics: measuring and testing
  • 359 - Optical: systems and elements