3701858

Information

• Patent Grant
• 3701858

• References
• Source

• Patent Number

  3,701,858

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1972
  52 years ago

• CPC

  • G11B5/29 - Structure or manufacture of unitary devices formed of plural heads for more than one track
  • G11B5/1475 - Assembling or shaping of elements
  • G11B5/295 - Manufacture
  • Y10T29/49046 - with etching or machining of magnetic material
  • Y10T29/49048 - Machining magnetic material [e.g., grinding, etching, polishing]
  • Y10T29/49055 - with bond/laminating preformed parts, at least two magnetic
  • Y10T29/49059 - with work positioning means

• US Classifications

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