3505749

Information

• Patent Grant
• 3505749

• References
• Source

• Patent Number

  3,505,749

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  54 years ago

• CPC

  • G09B29/06 - of belt form
  • G09B5/062 - Combinations of audio and printed presentations

• US Classifications

  • 040 - Card, picture, or sign exhibiting