2297851

Information

• Patent Grant
• 2297851

• References
• Source

• Patent Number

  2,297,851

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1942
  82 years ago

• CPC

  • G02B6/0031 - Reflecting element, sheet or layer
  • G02B6/003 - Lens or lenticular sheet or layer
  • G09F2013/1804 - Achieving homogeneous illumination
  • G09F2013/1877 - Stand-like

• US Classifications

  • 362 - Illumination
  • 040 - Card, picture, or sign exhibiting
  • 385 - Optical waveguides