1373176

Information

• Patent Grant
• 1373176

• References
• Source

• Patent Number

  1,373,176

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1921
  103 years ago

• CPC

  • G04B23/005 - by starting up musical boxes or other musical recordings
  • G11B33/06 - combined with other apparatus having a different main function

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 200 - Electricity: circuit makers and breakers
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER