1513521

Information

• Patent Grant
• 1513521

• References
• Source

• Patent Number

  1,513,521

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1924
  100 years ago

• CPC

  • G09F15/0081 - Rotating pillars

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 296 - Land vehicles: bodies and tops