3676216

Information

• Patent Grant
• 3676216

• References
• Source

• Patent Number

  3,676,216

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1972
  52 years ago

• CPC

  • G03G19/00 - Processes using magnetic patterns Apparatus therefor
  • G11B5/8412 - treatment by ultrasonics
  • Y10T428/266 - of base or substrate

• US Classifications

  • 427 - Coating processes
  • 118 - Coating apparatus
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 428 - Stock material or miscellaneous articles
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER