3557366

Information

• Patent Grant
• 3557366

• References
• Source

• Patent Number

  3,557,366

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  54 years ago

• CPC

  • G01S17/87 - Combinations of systems using electromagnetic waves other than radio waves
  • B64D43/02 - for indicating aircraft speed or stalling conditions
  • B64D2700/6228 - Airflow direction indicators

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 244 - Aeronautics and astronautics
  • 250 - Radiant energy