2585291

Information

• Patent Grant
• 2585291

• References
• Source

• Patent Number

  2,585,291

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1952
  72 years ago

• CPC

  • G10H3/03 - using pick-up means for reading recorded waves

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 347 - Incremental printing of symbolic information
  • 360 - Dynamic magnetic information storage or retrieval
  • 984 - Musical instruments