2333523

Information

• Patent Grant
• 2333523

• References
• Source

• Patent Number

  2,333,523

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1943
  81 years ago

• CPC

  • B42F13/0033 - with two or more filing appliances
  • B42F13/0006 - Covers for loose-leaf binders

• US Classifications

  • 281 - Books, strips, and leaves
  • 190 - Trunks and hand-carried luggage
  • 200 - Electricity: circuit makers and breakers
  • 402 - Binder device releasably engaging aperture or notch of sheet
  • D19 - Office supplies