1661264

Information

• Patent Grant
• 1661264

• References
• Source

• Patent Number

  1,661,264

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1928
  97 years ago

• CPC

  • H04B3/11 - using pilot wire

• US Classifications

  • 333 - Wave transmission lines and networks
  • 178 - Telegraphy
  • 338 - Electrical resistors