3835234

Information

• Patent Grant
• 3835234

• References
• Source

• Patent Number

  3,835,234

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • G09B9/56 - Simulation of sonar
  • G01S7/52004 - Means for monitoring or calibrating

• US Classifications

  • 434 - Education and demonstration
  • 367 - Communications, electrical: acoustic wave systems and devices