3330176

Information

• Patent Grant
• 3330176

• References
• Source

• Patent Number

  3,330,176

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1967
  58 years ago

• CPC

  • G10B3/12 - Keys or keyboards Manuals
  • G10C3/12 - Keyboards Keys
  • G10H1/34 - Switch arrangements

• US Classifications

  • 084 - Music