3355831

Information

• Patent Grant
• 3355831

• References
• Source

• Patent Number

  3,355,831

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1967
  57 years ago

• CPC

  • B42F17/346 - with pivoting movement of selected cards

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 283 - Printed matter
  • D19 - Office supplies