3780459

Information

• Patent Grant
• 3780459

• References
• Source

• Patent Number

  3,780,459

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  50 years ago

• CPC

  • G09F11/32 - the feeding means comprising belts or chains
  • G09F11/12 - the display elements being carried by endless belts, chains, or the like

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • D16 - Photography and optical equipment