1397787

Information

• Patent Grant
• 1397787

• References
• Source

• Patent Number

  1,397,787

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1921
  103 years ago

• CPC

  • B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
  • Y10S24/901 - Penetrating-type paper fastener
  • Y10S206/82 - Separable, striplike plural articles
  • Y10T24/492 - Distorted structure having shape facilitating impaling

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • 206 - Special receptacle or package
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener