2543144

Information

• Patent Grant
• 2543144

• References
• Source

• Patent Number

  2,543,144

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1951
  73 years ago

• CPC

  • B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
  • Y10T24/208 - Corner fastened
  • Y10T24/493 - and distinct fastener structure cooperating with impaled structure

• US Classifications

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