3521829

Information

• Patent Grant
• 3521829

• References
• Source

• Patent Number

  3,521,829

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • G11B15/674 - Threading or attaching end of record carrier on or to single reel
  • G03B1/56 - Threading Loop forming
  • G03B21/321 - Holders for films
  • G11B15/673 - Threading end of record carrier externally to single reel

• US Classifications

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