2770023

Information

• Patent Grant
• 2770023

• References
• Source

• Patent Number

  2,770,023

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1956
  68 years ago

• CPC

  • B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
  • Y10S24/901 - Penetrating-type paper fastener
  • Y10T24/495 - Detached cooperating structure
  • Y10T24/497 - including plural impaling elements

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.