3734434

Information

• Patent Grant
• 3734434

• References
• Source

• Patent Number

  3,734,434

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • B61L29/288 - Wiring diagram of the signal control circuits

• US Classifications

  • 246 - Railway switches and signals