2502829

Information

• Patent Grant
• 2502829

• References
• Source

• Patent Number

  2,502,829

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1950
  75 years ago

• CPC

  • B61D41/00 - Indicators for reserved seats Warning or like signs Devices or arrangements in connection with tickets

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 246 - Railway switches and signals