3654443

Information

• Patent Grant
• 3654443

• References
• Source

• Patent Number

  3,654,443

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1972
  53 years ago

• CPC

  • G06G7/70 - for vehicles
  • B64D43/02 - for indicating aircraft speed or stalling conditions
  • F41G7/301 - Details
  • B64D2700/6228 - Airflow direction indicators

• US Classifications

  • 701 - Data processing: vehicles, navigation, and relative location
  • 073 - Measuring and testing