2637571

Information

• Patent Grant
• 2637571

• References
• Source

• Patent Number

  2,637,571

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1953
  71 years ago

• CPC

  • B42D5/021 - Cheque-books

• US Classifications

  • 281 - Books, strips, and leaves
  • 283 - Printed matter