1492250

Information

• Patent Grant
• 1492250

• References
• Source

• Patent Number

  1,492,250

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1924
  100 years ago

• CPC

  • B42F13/42 - Content transfer devices Converting into permanent binders

• US Classifications

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