2211238

Information

• Patent Grant
• 2211238

• References
• Source

• Patent Number

  2,211,238

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1940
  83 years ago

• CPC

  • G02B5/265 - involving total internal reflection

• US Classifications

  • 359 - Optical: systems and elements
  • 002 - Apparel