3035250

Information

• Patent Grant
• 3035250

• References
• Source

• Patent Number

  3,035,250

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1962
  62 years ago

• CPC

  • H04W88/188 - using frequency address codes
  • G08B3/1008 - Personal calling arrangements or devices
  • H04Q5/08 - Signalling by continuous ac

• US Classifications

  • 340 - Communications: electrical
  • 341 - Coded data generation or conversion
  • 379 - Telephonic communications