2398677

Information

• Patent Grant
• 2398677

• References
• Source

• Patent Number

  2,398,677

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1946
  78 years ago

• CPC

  • H04L12/1809 - for auctioneering devices

• US Classifications

  • 340 - Communications: electrical
  • 200 - Electricity: circuit makers and breakers