3803548

Information

• Patent Grant
• 3803548

• References
• Source

• Patent Number

  3,803,548

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • G08B13/122 - for a perimeter fence
  • G08B13/169 - using cable transducer means

• US Classifications

  • 340 - Communications: electrical