3322128

Information

• Patent Grant
• 3322128

• References
• Source

• Patent Number

  3,322,128

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1967
  57 years ago

• CPC

  • B42F13/04 - with cords, coils, or chains
  • Y10S411/918 - Threadless nut

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 281 - Books, strips, and leaves
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • D19 - Office supplies