3180295

Information

• Patent Grant
• 3180295

• References
• Source

• Patent Number

  3,180,295

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1965
  59 years ago

• CPC

  • G09B9/56 - Simulation of sonar
  • F41J9/04 - Seagoing targets
  • G01S7/4008 - of transmitters
  • G09B9/06 - for teaching control of ships, boats, or other waterborne vehicles

• US Classifications

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