2256399

Information

• Patent Grant
• 2256399

• References
• Source

• Patent Number

  2,256,399

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1941
  83 years ago

• CPC

  • B42D15/047 - with photographs or slides

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 283 - Printed matter
  • D19 - Office supplies