1677461

Information

• Patent Grant
• 1677461

• References
• Source

• Patent Number

  1,677,461

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1928
  96 years ago

• CPC

  • B42F13/00 - Filing appliances with means for engaging perforations or slots
  • B42F13/0093 - Binding devices co-operating with corner or back cut-outs of the stack
  • Y10S402/501 - Sheet retainer continuous with periphery of sheet notch
  • Y10T29/53674 - Loose-leaf sheet binder

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 029 - Metal working