433220

Information

• Patent Grant
• 433220

• References
• Source

• Patent Number

  433,220

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1890
  134 years ago

• CPC

  • G04B23/005 - by starting up musical boxes or other musical recordings

• US Classifications

  • 368 - Horology: time measuring systems or devices