3362103

Information

• Patent Grant
• 3362103

• References
• Source

• Patent Number

  3,362,103

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1968
  57 years ago

• CPC

  • A63H33/3066 - Watches or clocks
  • G09B3/06 - of the multiple-choice answer type
  • G09B19/12 - Clock-reading

• US Classifications

  • 434 - Education and demonstration
  • 273 - Amusement devices: games