3309652

Information

• Patent Grant
• 3309652

• References
• Source

• Patent Number

  3,309,652

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1967
  57 years ago

• CPC

  • B63G7/08 - of acoustic type
  • G01S1/72 - using ultrasonic, sonic or infrasonic waves

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 114 - Ships