2814028

Information

• Patent Grant
• 2814028

• References
• Source

• Patent Number

  2,814,028

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1957
  67 years ago

• CPC

  • G07B13/045 - with indicating means on the outside of the vehicle

• US Classifications

  • 340 - Communications: electrical
  • 040 - Card, picture, or sign exhibiting