3518621

Information

• Patent Grant
• 3518621

• References
• Source

• Patent Number

  3,518,621

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  55 years ago

• CPC

  • B64D43/02 - for indicating aircraft speed or stalling conditions
  • B64D2700/62263 - Devices indicating or eliminating decrease of the airspeed

• US Classifications

  • 340 - Communications: electrical
  • 324 - Electricity: measuring and testing