2916612

Information

• Patent Grant
• 2916612

• References
• Source

• Patent Number

  2,916,612

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1959
  65 years ago

• CPC

  • B61L7/088 - Common line wire control using series of coded pulses
  • B61L23/22 - for controlling traffic in two directions over the same pair of rails

• US Classifications

  • 246 - Railway switches and signals
  • 340 - Communications: electrical