3478630

Information

• Patent Grant
• 3478630

• References
• Source

• Patent Number

  3,478,630

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • G10C1/06 - of cembaloes, spinets, or similar stringed instruments

• US Classifications

  • 084 - Music
  • 968 - Horology
  • 984 - Musical instruments