685012

Information

• Patent Grant
• 685012

• References
• Source

• Patent Number

  685,012

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1901
  123 years ago

• CPC

  • H04B5/00 - Near-field transmission systems
  • Y10S505/825 - Apparatus per se, device per se, or process of making or operating same
  • Y10S505/856 - Electrical transmission or interconnection system
  • Y10S505/87 - including transformer or inductor
  • Y10S505/888 - Refrigeration

• US Classifications

  • 178 - Telegraphy
  • 174 - Electricity: conductors and insulators
  • 310 - Electrical generator or motor structure
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 330 - Amplifiers
  • 333 - Wave transmission lines and networks
  • 336 - Inductor devices
  • 343 - Communications: radio wave antennas
  • 439 - Electrical connectors
  • 505 - Superconductor technology: apparatus, material, process