1391480

Information

• Patent Grant
• 1391480

• References
• Source

• Patent Number

  1,391,480

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1921
  103 years ago

• CPC

  • B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
  • Y10S24/901 - Penetrating-type paper fastener
  • Y10S411/923 - Nail, spike or tack having specific head structure
  • Y10T24/4693 - having specific wire penetrating portion

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 024 - Buckles, buttons, clasps, etc.
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener