2819388

Information

• Patent Grant
• 2819388

• References
• Source

• Patent Number

  2,819,388

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1958
  66 years ago

• CPC

  • B61L23/22 - for controlling traffic in two directions over the same pair of rails
  • B61L19/06 - Interlocking devices having electrical operation

• US Classifications

  • 246 - Railway switches and signals
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices