2860188

Information

• Patent Grant
• 2860188

• References
• Source

• Patent Number

  2,860,188

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1958
  67 years ago

• CPC

  • H04Q3/42 - Circuit arrangements for indirect selecting controlled by common circuits
  • H04M3/523 - with call distribution or queueing
  • H04Q3/00 - Selecting arrangements
  • H04Q3/0004 - using crossbar selectors in the switching stages
  • H04Q3/0008 - using relay selectors in the switching stages

• US Classifications

  • 379 - Telephonic communications
  • 340 - Communications: electrical