2607699

Information

• Patent Grant
• 2607699

• References
• Source

• Patent Number

  2,607,699

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1952
  72 years ago

• CPC

  • G11B3/70 - characterised by the selection of material or structure Processes or apparatus specially adapted for manufacturing record carriers
  • C09D5/23 - Magnetisable or magnetic paints or lacquers
  • G11B3/705 - characterised by the selection of the material only
  • G11B27/06 - Cutting and rejoining Notching, or perforating record carriers otherwise than by recording styli

• US Classifications

  • 106 - Compositions: coating or plastic
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER