2856660

Information

• Patent Grant
• 2856660

• References
• Source

• Patent Number

  2,856,660

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • B42F9/00 - Filing appliances with devices clamping file edges Covers with clamping backs
  • Y10T24/44444 - having specific surface material or irregularity on or along engaging face
  • Y10T24/4447 - having coil portion coaxial or parallel with pivotal axis
  • Y10T24/4682 - Connection allows movement therebetween

• US Classifications

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