1669830

Information

• Patent Grant
• 1669830

• References
• Source

• Patent Number

  1,669,830

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1928
  96 years ago

• CPC

  • B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
  • Y10T24/495 - Detached cooperating structure

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 024 - Buckles, buttons, clasps, etc.