3252461

Information

• Patent Grant
• 3252461

• References
• Source

• Patent Number

  3,252,461

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1966
  58 years ago

• CPC

  • B42F13/28 - in two staggered sections

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • D19 - Office supplies