3333783

Information

• Patent Grant
• 3333783

• References
• Source

• Patent Number

  3,333,783

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1967
  57 years ago

• CPC

  • G11B23/027 - Containers for single reels or spools
  • G03B1/56 - Threading Loop forming
  • G03B21/10 - Projectors with built-in or built-on screen
  • G03B21/321 - Holders for films
  • G03B21/328 - Means for fixing the film on the periphery of a reel
  • G03B21/43 - Driving mechanisms
  • G11B15/674 - Threading or attaching end of record carrier on or to single reel

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 226 - Advancing material of indeterminate length
  • 352 - Optics: motion pictures
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER