3739998

Information

• Patent Grant
• 3739998

• References
• Source

• Patent Number

  3,739,998

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • G11B23/048 - Driving features
  • G11B15/32 - through the reels or cores on to which the record carrier is wound

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER