3583086

Information

• Patent Grant
• 3583086

• References
• Source

• Patent Number

  3,583,086

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1971
  53 years ago

• CPC

  • G09B29/06 - of belt form

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 359 - Optical: systems and elements