3373518

Information

• Patent Grant
• 3373518

• References
• Source

• Patent Number

  3,373,518

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1968
  57 years ago

• CPC

  • G03B23/048 - with horizontally sliding mechanism

• US Classifications

  • 040 - Card, picture, or sign exhibiting