2985717

Information

• Patent Grant
• 2985717

• References
• Source

• Patent Number

  2,985,717

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1961
  63 years ago

• CPC

  • H04L12/00 - Data switching networks
  • H04L12/04 - Switchboards

• US Classifications

  • 375 - Pulse or digital communications