3753073

Information

• Patent Grant
• 3753073

• References
• Source

• Patent Number

  3,753,073

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1973
  51 years ago

• CPC

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

• US Classifications

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