3820263

Information

• Patent Grant
• 3820263

• References
• Source

• Patent Number

  3,820,263

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • G09F11/23 - the advertising or display material forming part of rotating members
  • G06G1/04 - characterised by construction
  • G09F11/232 - Disc card or folded disc shaped card information display devices

• US Classifications

  • 040 - Card, picture, or sign exhibiting