2702440

Information

• Patent Grant
• 2702440

• References
• Source

• Patent Number

  2,702,440

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1955
  70 years ago

• CPC

  • A63J13/00 - Panoramas, dioramas, stereoramas, or the like
  • B44F1/06 - produced by transmitted light

• US Classifications

  • 040 - Card, picture, or sign exhibiting