3663112

Information

• Patent Grant
• 3663112

• References
• Source

• Patent Number

  3,663,112

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • G02B27/0101 - characterised by optical features
  • G02B27/01 - Head-up displays
  • B64D2700/6221 - using electrical means
  • G02B2027/0154 - with movable elements
  • G02B2027/0156 - with optionally usable elements

• US Classifications

  • 356 - Optics: measuring and testing
  • 385 - Optical waveguides