3672603

Information

• Patent Grant
• 3672603

• References
• Source

• Patent Number

  3,672,603

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1972
  52 years ago

• CPC

  • G11B23/093 - the reels or cores being coaxial
  • G11B15/6656 - using two-sided extraction

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 352 - Optics: motion pictures
  • 360 - Dynamic magnetic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER