2681814

Information

• Patent Grant
• 2681814

• References
• Source

• Patent Number

  2,681,814

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1954
  70 years ago

• CPC

  • B42F17/30 - modified for particular uses
  • B42F17/00 - Card-filing arrangements
  • B42F17/08 - Construction of the containers

• US Classifications

  • 283 - Printed matter
  • 462 - Books, strips, and leaves for manifolding