2978836

Information

• Patent Grant
• 2978836

• References
• Source

• Patent Number

  2,978,836

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1961
  63 years ago

• CPC

  • G11B33/06 - combined with other apparatus having a different main function
  • A63H17/268 - Musical toy vehicles

• US Classifications

  • 446 - Amusement devices: toys
  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER