3332707

Information

• Patent Grant
• 3332707

• References
• Source

• Patent Number

  3,332,707

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1967
  57 years ago

• CPC

  • B41L3/04 - Bars provided with pins engaging perforations in the elements

• US Classifications

  • 462 - Books, strips, and leaves for manifolding
  • 281 - Books, strips, and leaves
  • 402 - Binder device releasably engaging aperture or notch of sheet
  • D19 - Office supplies