2647518

Information

• Patent Grant
• 2647518

• References
• Source

• Patent Number

  2,647,518

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1953
  71 years ago

• CPC

  • B42F13/18 - on two bars relatively movable longitudinally

• US Classifications

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