3233221

Information

• Patent Grant
• 3233221

• References
• Source

• Patent Number

  3,233,221

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1966
  59 years ago

• CPC

  • H04W88/028 - using pulse address codes

• US Classifications

  • 340 - Communications: electrical
  • 073 - Measuring and testing
  • 455 - Telecommunications