3640492

Information

• Patent Grant
• 3640492

• References
• Source

• Patent Number

  3,640,492

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  53 years ago

• CPC

  • B64D45/00 - Aircraft indicators or protectors not otherwise provided for
  • B64D2700/62166 - Mounting of instruments

• US Classifications

  • 244 - Aeronautics and astronautics