1177002

Information

• Patent Grant
• 1177002

• References
• Source

• Patent Number

  1,177,002

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1916
  108 years ago

• CPC

  • G09B15/001 - Boards or like means for providing an indication of chords

• US Classifications

  • 084 - Music