1811713

Information

• Patent Grant
• 1811713

• References
• Source

• Patent Number

  1,811,713

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1931
  94 years ago

• CPC

  • B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
  • Y10S24/11 - Adhesive
  • Y10T24/20 - Paper fastener
  • Y10T24/207 - Adhesive
  • Y10T24/33 - having adhesive fastener
  • Y10T24/498 - Elements form single aperture [e.g., split shank type]

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • 281 - Books, strips, and leaves