1490678

Information

• Patent Grant
• 1490678

• References
• Source

• Patent Number

  1,490,678

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1924
  100 years ago

• CPC

  • G10C1/02 - of upright pianofortes
  • G10C1/00 - General design

• US Classifications

  • 084 - Music