3370291

Information

• Patent Grant
• 3370291

• References
• Source

• Patent Number

  3,370,291

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1968
  57 years ago

• CPC

  • G09F11/23 - the advertising or display material forming part of rotating members
  • G09F9/405 - the selected character being projected on a common screen accommodating only one character at a time, to provide the same display position for all characters

• US Classifications

  • 340 - Communications: electrical