3514883

Information

• Patent Grant
• 3514883

• References
• Source

• Patent Number

  3,514,883

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • G09D1/00 - Railway or like time or fare tables Indicating or reading aids therefor
  • G09B1/00 - Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09F11/02 - the display elements being secured to rotating members

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 211 - Supports: racks