3508219

Information

• Patent Grant
• 3508219

• References
• Source

• Patent Number

  3,508,219

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1970
  54 years ago

• CPC

  • C04B35/265 - Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
  • G11B5/62 - Record carriers characterised by the selection of the material
  • H01F1/0027 - Thick magnetic films
  • H01F1/117 - Flexible bodies
  • H01F1/375 - Flexible bodies
  • H01F10/06 - characterised by the coupling or physical contact with connecting or interacting conductors
  • H01F10/14 - containing iron or nickel
  • H01M6/38 - by mechanical means

• US Classifications

  • 365 - Static information storage and retrieval
  • 174 - Electricity: conductors and insulators
  • 252 - Compositions
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER