3340635

Information

• Patent Grant
• 3340635

• References
• Source

• Patent Number

  3,340,635

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1967
  57 years ago

• CPC

  • B42D5/041 - with means for engaging calendar sheet perforations or slots
  • B42D5/043 - Supports for desk-type calendars or diaries
  • Y10T225/224 - With means to hold pad or stack of individual sheets

• US Classifications

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