2467494

Information

• Patent Grant
• 2467494

• References
• Source

• Patent Number

  2,467,494

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1949
  76 years ago

• CPC

  • H04H20/83 - not sharing the network with any other service
  • H04H20/12 - Arrangements for observation, testing or troubleshooting

• US Classifications

  • 370 - Multiplex communications
  • 174 - Electricity: conductors and insulators
  • 307 - Electrical transmission or interconnection systems