2017654

Information

• Patent Grant
• 2017654

• References
• Source

• Patent Number

  2,017,654

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1935
  89 years ago

• CPC

  • H04B3/11 - using pilot wire

• US Classifications

  • 333 - Wave transmission lines and networks
  • 236 - Automatic temperature and humidity regulation
  • 318 - Electricity: motive power systems
  • 346 - Recorders