3227634

Information

• Patent Grant
• 3227634

• References
• Source

• Patent Number

  3,227,634

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1966
  59 years ago

• CPC

  • G11B3/66 - Erasing information

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER