1799805

Information

• Patent Grant
• 1799805

• References
• Source

• Patent Number

  1,799,805

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1931
  93 years ago

• CPC

  • B61L5/125 - Fixed signals, beacons, or the like

• US Classifications

  • 246 - Railway switches and signals