3505641

Information

• Patent Grant
• 3505641

• References
• Source

• Patent Number

  3,505,641

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • B64D45/00 - Aircraft indicators or protectors not otherwise provided for
  • B64D2700/62219 - Electric safety devices

• US Classifications

  • 340 - Communications: electrical
  • 244 - Aeronautics and astronautics
  • 333 - Wave transmission lines and networks