1878454

Information

• Patent Grant
• 1878454

• References
• Source

• Patent Number

  1,878,454

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1932
  92 years ago

• CPC

  • A47F7/166 - with mechanical or electrical handling means

• US Classifications

  • 040 - Card, picture, or sign exhibiting