3083664

Information

• Patent Grant
• 3083664

• References
• Source

• Patent Number

  3,083,664

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1963
  61 years ago

• CPC

  • F41J9/04 - Seagoing targets

• US Classifications

  • 181 - Acoustics
  • 116 - Signals and indicators
  • 367 - Communications, electrical: acoustic wave systems and devices