3487396

Information

• Patent Grant
• 3487396

• References
• Source

• Patent Number

  3,487,396

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  54 years ago

• CPC

  • G08B13/1672 - using sonic detecting means
  • B60R25/1007 - comprising associated circuitry

• US Classifications

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