3927852

Information

• Patent Grant
• 3927852

• References
• Source

• Patent Number

  3,927,852

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1975
  49 years ago

• CPC

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

• US Classifications

  • 246 - Railway switches and signals