1666356

Information

• Patent Grant
• 1666356

• References
• Source

• Patent Number

  1,666,356

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1928
  97 years ago

• CPC

  • B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
  • Y10T24/498 - Elements form single aperture [e.g., split shank type]

• US Classifications

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