3878753

Information

• Patent Grant
• 3878753

• References
• Source

• Patent Number

  3,878,753

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  50 years ago

• CPC

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

• US Classifications

  • 084 - Music
  • 984 - Musical instruments