1899453

Information

• Patent Grant
• 1899453

• References
• Source

• Patent Number

  1,899,453

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1933
  92 years ago

• CPC

  • B42F21/10 - represented by slits

• US Classifications

  • 040 - Card, picture, or sign exhibiting