3141371

Information

• Patent Grant
• 3141371

• References
• Source

• Patent Number

  3,141,371

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1964
  60 years ago

• CPC

  • G10C3/12 - Keyboards Keys
  • G10H1/34 - Switch arrangements
  • G10H2220/226 - Whole-tone keyboards

• US Classifications

  • 084 - Music