3922944

Information

• Patent Grant
• 3922944

• References
• Source

• Patent Number

  3,922,944

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • A63B71/0622 - Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
  • A63H5/00 - Musical or noise- producing devices for additional toy effects other than acoustical
  • G09B5/04 - with audible presentation of the material to be studied
  • G10H1/348 - Switches actuated by parts of the body other than the fingers
  • A63B2071/0625 - Emitting sound, noise or music
  • A63B2208/12 - specially adapted for children
  • G10H2220/341 - Floor sensors
  • Y10S84/25 - Pedal clavier

• US Classifications

  • 084 - Music
  • 984 - Musical instruments