2638579

Information

• Patent Grant
• 2638579

• References
• Source

• Patent Number

  2,638,579

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1953
  72 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
  • 200 - Electricity: circuit makers and breakers
  • 337 - Electricity: electrothermally or thermally actuated switches