2588440

Information

• Patent Grant
• 2588440

• References
• Source

• Patent Number

  2,588,440

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1952
  72 years ago

• CPC

  • G10C3/106 - the axis of the pins being perpendicular to the string

• US Classifications

  • 084 - Music
  • 254 - Implements or apparatus for applying pushing or pulling force