3374434

Information

• Patent Grant
• 3374434

• References
• Source

• Patent Number

  3,374,434

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1968
  56 years ago

• CPC

  • H04B13/02 - Transmission systems in which the medium consists of the earth or a large mass of water thereon
  • H01F19/06 - Broad-band transformers
  • H01F38/30 - Constructions
  • H04B5/00 - Near-field transmission systems

• US Classifications

  • 324 - Electricity: measuring and testing
  • 336 - Inductor devices
  • 340 - Communications: electrical