3723722

Information

• Patent Grant
• 3723722

• References
• Source

• Patent Number

  3,723,722

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • G02B6/0008 - the light being emitted at the end of the fibre
  • B64C27/00 - Rotorcraft Rotors peculiar thereto
  • B64D47/06 - for indicating aircraft presence
  • B64C2700/6278 - Features common for any type of rotorcraft

• US Classifications

  • 362 - Illumination
  • 244 - Aeronautics and astronautics
  • 340 - Communications: electrical
  • 385 - Optical waveguides
  • 416 - Fluid reaction surfaces