2936680

Information

• Patent Grant
• 2936680

• References
• Source

• Patent Number

  2,936,680

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1960
  65 years ago

• CPC

  • B42F7/025 - made of transparent material
  • B42F17/18 - in which the cards are stored in a flat position
  • B42P2201/06 - for file cards

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 040 - Card, picture, or sign exhibiting