3902687

Information

• Patent Grant
• 3902687

• References
• Source

• Patent Number

  3,902,687

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • B64D45/00 - Aircraft indicators or protectors not otherwise provided for
  • B64D2700/6221 - using electrical means

• US Classifications

  • 244 - Aeronautics and astronautics
  • 073 - Measuring and testing
  • 340 - Communications: electrical
  • 701 - Data processing: vehicles, navigation, and relative location