1530638

Information

• Patent Grant
• 1530638

• References
• Source

• Patent Number

  1,530,638

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1925
  100 years ago

• CPC

  • B41J13/24 - Strips for supporting or holding papers

• US Classifications

  • 462 - Books, strips, and leaves for manifolding
  • 283 - Printed matter