1813450

Information

• Patent Grant
• 1813450

• References
• Source

• Patent Number

  1,813,450

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1931
  93 years ago

• CPC

  • G09F11/14 - the elements being in the form of stiff flaps, boards, cards, or the like

• US Classifications

  • 040 - Card, picture, or sign exhibiting