3474528

Information

• Patent Grant
• 3474528

• References
• Source

• Patent Number

  3,474,528

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 years ago

• CPC

  • G11B5/335 - with saturated jig
  • G11B5/29 - Structure or manufacture of unitary devices formed of plural heads for more than one track
  • Y10T29/49048 - Machining magnetic material [e.g., grinding, etching, polishing]
  • Y10T29/4906 - Providing winding
  • Y10T29/4979 - Breaking through weakened portion
  • Y10T29/49792 - Dividing through modified portion

• US Classifications

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