2874272

Information

• Patent Grant
• 2874272

• References
• Source

• Patent Number

  2,874,272

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1959
  65 years ago

• CPC

  • B61L23/22 - for controlling traffic in two directions over the same pair of rails

• US Classifications

  • 246 - Railway switches and signals