2140207

Information

• Patent Grant
• 2140207

• References
• Source

• Patent Number

  2,140,207

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • B41L3/04 - Bars provided with pins engaging perforations in the elements

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 040 - Card, picture, or sign exhibiting