3717504

Information

• Patent Grant
• 3717504

• References
• Source

• Patent Number

  3,717,504

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  52 years ago

• CPC

  • G11B5/72 - Protective coatings
  • Y10S29/028 - Magnetic recording digest
  • Y10S428/926 - Thickness of individual layer specified
  • Y10S428/928 - Magnetic property
  • Y10T428/12243 - Disk
  • Y10T428/12569 - Synthetic resin
  • Y10T428/12597 - Noncrystalline silica or noncrystalline plural-oxide component [e.g., glass, etc.]
  • Y10T428/12701 - Pb-base component
  • Y10T428/12729 - Group IIA metal-base component
  • Y10T428/1275 - Next to Group VIII or IB metal-base component
  • Y10T428/12778 - Alternative base metals from diverse categories
  • Y10T428/12875 - Platinum group metal-base component
  • Y10T428/12903 - Cu-base component
  • Y10T428/1291 - Next to Co-, Cu-, or Ni-base component

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 360 - Dynamic magnetic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER