2139159

Information

• Patent Grant
• 2139159

• References
• Source

• Patent Number

  2,139,159

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1938
  86 years ago

• CPC

  • B42F13/404 - with punches

• US Classifications

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