1371816

Information

• Patent Grant
• 1371816

• References
• Source

• Patent Number

  1,371,816

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1921
  103 years ago

• CPC

  • B61D41/04 - Indicators for reserved seats

• US Classifications

  • 040 - Card, picture, or sign exhibiting