2792309

Information

• Patent Grant
• 2792309

• References
• Source

• Patent Number

  2,792,309

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1957
  67 years ago

• CPC

  • G11B3/705 - characterised by the selection of the material only
  • G01K5/44 - the body being a cylinder and piston
  • G11B3/70 - characterised by the selection of material or structure Processes or apparatus specially adapted for manufacturing record carriers

• US Classifications

  • 106 - Compositions: coating or plastic
  • 369 - Dynamic information storage or retrieval
  • 523 - Synthetic resins or natural rubbers
  • 524 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER