1654713

Information

• Patent Grant
• 1654713

• References
• Source

• Patent Number

  1,654,713

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1928
  97 years ago

• CPC

  • G11B3/5836 - means connected to the pick-up arm or head
  • Y10S29/097 - Cutter engaging cleaner

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 029 - Metal working
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER