2576783

Information

• Patent Grant
• 2576783

• References
• Source

• Patent Number

  2,576,783

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1951
  73 years ago

• CPC

  • B42D3/008 - applied on the back of book covers

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators
  • 281 - Books, strips, and leaves
  • 402 - Binder device releasably engaging aperture or notch of sheet
  • D19 - Office supplies