3367679

Information

• Patent Grant
• 3367679

• References
• Source

• Patent Number

  3,367,679

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1968
  57 years ago

• CPC

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

• US Classifications

  • 281 - Books, strips, and leaves
  • 248 - Supports