2079257

Information

• Patent Grant
• 2079257

• References
• Source

• Patent Number

  2,079,257

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1937
  87 years ago

• CPC

  • B42D5/008 - with means for engaging sheet perforations or slots
  • B42D5/006 - combined with auxiliary devices
  • B42D5/041 - with means for engaging calendar sheet perforations or slots
  • B42D5/045 - combined with auxiliary devices
  • Y10T225/224 - With means to hold pad or stack of individual sheets

• US Classifications

  • 281 - Books, strips, and leaves
  • 225 - Severing by tearing or breaking
  • 402 - Binder device releasably engaging aperture or notch of sheet