2123974

Information

• Patent Grant
• 2123974

• References
• Source

• Patent Number

  2,123,974

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1938
  86 years ago

• CPC

  • B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
  • Y10T24/44932 - having specific surface material or irregularity on or along engaging face
  • Y10T24/4689 - and pointing in same direction

• US Classifications

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