2639713

Information

• Patent Grant
• 2639713

• References
• Source

• Patent Number

  2,639,713

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1953
  72 years ago

• CPC

  • B42F13/408 - with sheet rests or sheet lifters

• US Classifications

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