3833161

Information

• Patent Grant
• 3833161

• References
• Source

• Patent Number

  3,833,161

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1974
  50 years ago

• CPC

  • G11B15/67 - by extracting end of record carrier from container or spool
  • G03B1/56 - Threading Loop forming
  • G03B21/326 - Means for fixing the film on the axis of a reel or spindle
  • G03D13/003 - Film feed or extraction in development apparatus

• US Classifications

  • 226 - Advancing material of indeterminate length
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER