2542754

Information

• Patent Grant
• 2542754

• References
• Source

• Patent Number

  2,542,754

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1951
  73 years ago

• CPC

  • G09F5/04 - Cards of samples Books of samples
  • B42F5/06 - Corner-holding devices

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 281 - Books, strips, and leaves