3780458

Information

• Patent Grant
• 3780458

• References
• Source

• Patent Number

  3,780,458

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  52 years ago

• CPC

  • G09F5/02 - Portable sample cases
  • G09F11/295 - Electric control therefor

• US Classifications

  • 040 - Card, picture, or sign exhibiting