3644908

Information

• Patent Grant
• 3644908

• References
• Source

• Patent Number

  3,644,908

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • H01F10/10 - characterised by the composition
  • C04B35/2675 - Other ferrites containing rare earth metals
  • G11C19/0816 - using a rotating or alternating coplanar magnetic field

• US Classifications

  • 365 - Static information storage and retrieval
  • 252 - Compositions