3623253

Information

• Patent Grant
• 3623253

• References
• Source

• Patent Number

  3,623,253

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • G09D3/10 - with members in band form
  • G09F2023/0016 - on pens

• US Classifications

  • 040 - Card, picture, or sign exhibiting