3221592

Information

• Patent Grant
• 3221592

• References
• Source

• Patent Number

  3,221,592

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • G02B5/265 - involving total internal reflection

• US Classifications

  • 359 - Optical: systems and elements
  • 356 - Optics: measuring and testing