3370166

Information

• Patent Grant
• 3370166

• References
• Source

• Patent Number

  3,370,166

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1968
  56 years ago

• CPC

  • B61K7/12 - electrically controlled
  • G01S1/72 - using ultrasonic, sonic or infrasonic waves
  • Y10S367/909 - Collision avoidance

• US Classifications

  • 246 - Railway switches and signals
  • 180 - Motor vehicles
  • 342 - Communications: directive radio wave systems and devices
  • 367 - Communications, electrical: acoustic wave systems and devices