3172409

Information

• Patent Grant
• 3172409

• References
• Source

• Patent Number

  3,172,409

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1965
  59 years ago

• CPC

  • B42F13/08 - of metal

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 040 - Card, picture, or sign exhibiting
  • D19 - Office supplies