2543866

Information

• Patent Grant
• 2543866

• References
• Source

• Patent Number

  2,543,866

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1951
  73 years ago

• CPC

  • B42F13/18 - on two bars relatively movable longitudinally

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 281 - Books, strips, and leaves