3747244

Information

• Patent Grant
• 3747244

• References
• Source

• Patent Number

  3,747,244

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • B42F17/343 - with sliding movement of selected cards

• US Classifications

  • 040 - Card, picture, or sign exhibiting