2687732

Information

• Patent Grant
• 2687732

• References
• Source

• Patent Number

  2,687,732

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1954
  70 years ago

• CPC

  • G06K19/04 - characterised by the shape
  • B42F17/30 - modified for particular uses

• US Classifications

  • 040 - Card, picture, or sign exhibiting