2167188

Information

• Patent Grant
• 2167188

• References
• Source

• Patent Number

  2,167,188

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1939
  85 years ago

• CPC

  • G11B5/64 - Comprising only the magnetic material without bonding agent
  • Y10S29/028 - Magnetic recording digest
  • Y10S428/928 - Magnetic property
  • Y10T74/1523 - Radial cam

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working
  • 074 - Machine element or mechanism
  • 360 - Dynamic magnetic information storage or retrieval
  • 428 - Stock material or miscellaneous articles
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER