3708184

Information

• Patent Grant
• 3708184

• References
• Source

• Patent Number

  3,708,184

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1973
  52 years ago

• CPC

  • B42D3/126 - enabling the book to be positioned upright

• US Classifications

  • 281 - Books, strips, and leaves
  • D19 - Office supplies