1712586

Information

• Patent Grant
• 1712586

• References
• Source

• Patent Number

  1,712,586

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1929
  95 years ago

• CPC

  • B61D41/04 - Indicators for reserved seats

• US Classifications

  • 040 - Card, picture, or sign exhibiting