3506370

Information

• Patent Grant
• 3506370

• References
• Source

• Patent Number

  3,506,370

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  55 years ago

• CPC

  • B42F13/04 - with cords, coils, or chains

• US Classifications

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