2704546

Information

• Patent Grant
• 2704546

• References
• Source

• Patent Number

  2,704,546

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1955
  70 years ago

• CPC

  • B42F13/0006 - Covers for loose-leaf binders
  • B42F13/408 - with sheet rests or sheet lifters

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 281 - Books, strips, and leaves