1665374

Information

• Patent Grant
• 1665374

• References
• Source

• Patent Number

  1,665,374

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1928
  96 years ago

• CPC

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

• US Classifications

  • 040 - Card, picture, or sign exhibiting