3373748

Information

• Patent Grant
• 3373748

• References
• Source

• Patent Number

  3,373,748

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1968
  56 years ago

• CPC

  • B42F13/165 - with flexible or resilient claws or rings
  • B42B5/10 - the elements being of castellated or comb-like form

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • D19 - Office supplies