2903572

Information

• Patent Grant
• 2903572

• References
• Source

• Patent Number

  2,903,572

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1959
  65 years ago

• CPC

  • B61L21/06 - Vehicle-on-line indication Monitoring locking and release of the route
  • B61L7/088 - Common line wire control using series of coded pulses

• US Classifications

  • 246 - Railway switches and signals