3336688

Information

• Patent Grant
• 3336688

• References
• Source

• Patent Number

  3,336,688

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1967
  57 years ago

• CPC

  • G09B1/14 - the elements being slidably mounted on the support

• US Classifications

  • 040 - Card, picture, or sign exhibiting