3528665

Information

• Patent Grant
• 3528665

• References
• Source

• Patent Number

  3,528,665

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1970
  54 years ago

• CPC

  • G11B3/00 - Recording by mechanical cutting, deforming or pressing
  • G11B3/72 - Groove formations
  • Y10T29/49996 - Successive distinct removal operations

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 029 - Metal working