3651731

Information

• Patent Grant
• 3651731

• References
• Source

• Patent Number

  3,651,731

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1972
  53 years ago

• CPC

  • G10F5/04 - Tune barrels, sheets, rollers, spools, or the like

• US Classifications

  • 084 - Music
  • 984 - Musical instruments